Weather hour by hour (periods) in San Juan , Costa Rica

Day

rain showers with thunderstorms from noon

30°

Night

generally scattered clouds with rain showers with thunderstorms at evening

16°

Day

rain showers with thunderstorms from noon

29°

Night

rain showers with thunderstorms at evening, light fog till midnight

17°

Day

rain showers with thunderstorms from morning

25°

Night

rain showers with thunderstorms at times

17°

Day

rain showers with thunderstorms from morning

24°

Night

rain showers with thunderstorms till early night hours followed by light fog

17°

Day

rain showers with thunderstorms from morning

26°

Night

light fog and chance for rain showers with thunderstorms at times

18°

Day

rain showers with thunderstorms

24°

Night

rain showers with thunderstorms at evening followed by light fog

17°

Day

rain showers with thunderstorms from morning

28°

Night

generally partly cloudy with rain showers with thunderstorms at evening

18°

Day

rain showers from noon

29°

Night

generally scattered clouds with light rain at evening

17°

Day

rain showers with thunderstorms

27°

Night

generally partly cloudy with rain showers with thunderstorms at evening

18°

Dawn

Scattered Clouds

Scattered Clouds

16°

Morning

Partly Cloudy

Partly Cloudy

24°

Noon

Thunderstorms

Thunderstorms

30°

Afternoon

Thunderstorms

Thunderstorms

27°

Evening

Thunderstorms

Thunderstorms

20°

Night

Mist - Light Fog

Mist - Light Fog

17°

Day Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Night Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Dawn

Northeastern

6km/h

Morning

Eastern

7km/h

Noon

Northeastern

6km/h

Afternoon

Northeastern

3km/h

Evening

Western

2km/h

Night

Northeastern

3km/h

Dawn

Relative Humidity

88%

Morning

Relative Humidity

50%

Noon

Relative Humidity

42%

Afternoon

Relative Humidity

54%

Evening

Relative Humidity

92%

Night

Relative Humidity

93%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

66%

Afternoon

Precipitation Probability

98%

Evening

Precipitation Probability

90%

Night

Precipitation Probability

0%

Dawn

Scattered Clouds

Scattered Clouds

16°

Morning

Scattered Clouds

Scattered Clouds

24°

Noon

Thunderstorms

Thunderstorms

29°

Afternoon

Thunderstorms

Thunderstorms

24°

Evening

Thunderstorms

Thunderstorms

19°

Night

Mist - Light Fog

Mist - Light Fog

17°

Day Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Dawn

Northeastern

3km/h

Morning

Northeastern

3km/h

Noon

Western

3km/h

Afternoon

Western

1km/h

Evening

Western

2km/h

Night

Eastern

2km/h

Dawn

Relative Humidity

81%

Morning

Relative Humidity

54%

Noon

Relative Humidity

56%

Afternoon

Relative Humidity

70%

Evening

Relative Humidity

96%

Night

Relative Humidity

95%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

99%

Afternoon

Precipitation Probability

99%

Evening

Precipitation Probability

99%

Night

Precipitation Probability

0%

Dawn

Scattered Clouds

Scattered Clouds

17°

Morning

Rain Showers

Rain Showers

22°

Noon

Thunderstorms

Thunderstorms

25°

Afternoon

Thunderstorms

Thunderstorms

22°

Evening

Thunderstorms

Thunderstorms

19°

Night

Thunderstorms

Thunderstorms

18°

Day Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Night Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Dawn

Eastern

1km/h

Morning

Eastern

2km/h

Noon

Western

4km/h

Afternoon

Western

1km/h

Evening

Southwestern

2km/h

Night

Eastern

2km/h

Dawn

Relative Humidity

91%

Morning

Relative Humidity

64%

Noon

Relative Humidity

71%

Afternoon

Relative Humidity

82%

Evening

Relative Humidity

96%

Night

Relative Humidity

94%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

82%

Noon

Precipitation Probability

99%

Afternoon

Precipitation Probability

99%

Evening

Precipitation Probability

99%

Night

Precipitation Probability

93%

Dawn

Partly Cloudy with Rain Showers

Partly Cloudy with Rain Showers

17°

Morning

Thunderstorms

Thunderstorms

22°

Noon

Thunderstorms

Thunderstorms

23°

Afternoon

Thunderstorms

Thunderstorms

22°

Evening

Thunderstorms

Thunderstorms

19°

Night

Thunderstorms

Thunderstorms

18°

Day Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Night Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Dawn

Eastern

1km/h

Morning

Northeastern

5km/h

Noon

Western

7km/h

Afternoon

Western

6km/h

Evening

Western

1km/h

Night

Northeastern

2km/h

Dawn

Relative Humidity

92%

Morning

Relative Humidity

70%

Noon

Relative Humidity

69%

Afternoon

Relative Humidity

79%

Evening

Relative Humidity

96%

Night

Relative Humidity

94%

Dawn

Precipitation Probability

67%

Morning

Precipitation Probability

83%

Noon

Precipitation Probability

99%

Afternoon

Precipitation Probability

99%

Evening

Precipitation Probability

99%

Night

Precipitation Probability

69%

Dawn

Mist - Light Fog

Mist - Light Fog

17°

Morning

Thunderstorms

Thunderstorms

22°

Noon

Thunderstorms

Thunderstorms

26°

Afternoon

Thunderstorms

Thunderstorms

23°

Evening

Thunderstorms

Thunderstorms

19°

Night

Mist - Light Fog

Mist - Light Fog

18°

Day Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Dawn

Eastern

3km/h

Morning

Northeastern

4km/h

Noon

Southwestern

6km/h

Afternoon

Southwestern

3km/h

Evening

Northern

1km/h

Night

Southeastern

2km/h

Dawn

Relative Humidity

94%

Morning

Relative Humidity

68%

Noon

Relative Humidity

72%

Afternoon

Relative Humidity

81%

Evening

Relative Humidity

96%

Night

Relative Humidity

95%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

80%

Noon

Precipitation Probability

99%

Afternoon

Precipitation Probability

99%

Evening

Precipitation Probability

99%

Night

Precipitation Probability

49%

Dawn

Mist - Light Fog

Mist - Light Fog

18°

Morning

Thunderstorms

Thunderstorms

22°

Noon

Thunderstorms

Thunderstorms

23°

Afternoon

Thunderstorms

Thunderstorms

23°

Evening

Thunderstorms

Thunderstorms

19°

Night

Mist - Light Fog

Mist - Light Fog

18°

Day Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Dawn

Northeastern

2km/h

Morning

Northeastern

3km/h

Noon

Western

3km/h

Afternoon

Western

3km/h

Evening

Northeastern

2km/h

Night

Northeastern

1km/h

Dawn

Relative Humidity

95%

Morning

Relative Humidity

71%

Noon

Relative Humidity

76%

Afternoon

Relative Humidity

85%

Evening

Relative Humidity

96%

Night

Relative Humidity

94%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

84%

Noon

Precipitation Probability

98%

Afternoon

Precipitation Probability

99%

Evening

Precipitation Probability

99%

Night

Precipitation Probability

0%

Dawn

Mist - Light Fog

Mist - Light Fog

17°

Morning

Partly Cloudy with  a chance for Light Rain

Partly Cloudy with a chance for Light Rain

22°

Noon

Chance for Rain Showers

Chance for Rain Showers

28°

Afternoon

Thunderstorms

Thunderstorms

25°

Evening

Thunderstorms

Thunderstorms

20°

Night

Partly Cloudy

Partly Cloudy

18°

Day Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Night Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Dawn

Eastern

3km/h

Morning

Northeastern

3km/h

Noon

Southwestern

3km/h

Afternoon

Southwestern

2km/h

Evening

Western

1km/h

Night

Northeastern

3km/h

Dawn

Relative Humidity

95%

Morning

Relative Humidity

73%

Noon

Relative Humidity

65%

Afternoon

Relative Humidity

67%

Evening

Relative Humidity

74%

Night

Relative Humidity

81%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

58%

Noon

Precipitation Probability

87%

Afternoon

Precipitation Probability

90%

Evening

Precipitation Probability

94%

Night

Precipitation Probability

0%

Dawn

Scattered Clouds

Scattered Clouds

18°

Morning

Scattered Clouds

Scattered Clouds

22°

Noon

Partly Cloudy with Rain Showers

Partly Cloudy with Rain Showers

29°

Afternoon

Partly Cloudy with Rain Showers

Partly Cloudy with Rain Showers

27°

Evening

Partly Cloudy with Light Rain

Partly Cloudy with Light Rain

20°

Night

Scattered Clouds

Scattered Clouds

17°

Dawn

Northeastern

4km/h

Morning

Northeastern

4km/h

Noon

Western

3km/h

Afternoon

Western

2km/h

Evening

Northeastern

3km/h

Night

Northeastern

6km/h

Dawn

Relative Humidity

88%

Morning

Relative Humidity

76%

Noon

Relative Humidity

69%

Afternoon

Relative Humidity

77%

Evening

Relative Humidity

94%

Night

Relative Humidity

85%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

0%

Noon

Precipitation Probability

61%

Afternoon

Precipitation Probability

90%

Evening

Precipitation Probability

88%

Night

Precipitation Probability

0%

Dawn

Scattered Clouds

Scattered Clouds

17°

Morning

Chance for Rain Showers

Chance for Rain Showers

23°

Noon

Thunderstorms

Thunderstorms

27°

Afternoon

Thunderstorms

Thunderstorms

25°

Evening

Thunderstorms

Thunderstorms

20°

Night

Partly Cloudy

Partly Cloudy

18°

Day Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Night Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Rain and thunderstorms expected (could be heavy locally) / Risk of possible increase on water levels on the roads, flash floods and traffic jams.

Dawn

Northeastern

6km/h

Morning

Northeastern

5km/h

Noon

Northeastern

2km/h

Afternoon

Northeastern

2km/h

Evening

Northeastern

4km/h

Night

Northeastern

5km/h

Dawn

Relative Humidity

84%

Morning

Relative Humidity

69%

Noon

Relative Humidity

62%

Afternoon

Relative Humidity

63%

Evening

Relative Humidity

71%

Night

Relative Humidity

85%

Dawn

Precipitation Probability

0%

Morning

Precipitation Probability

71%

Noon

Precipitation Probability

94%

Afternoon

Precipitation Probability

99%

Evening

Precipitation Probability

99%

Night

Precipitation Probability

0%