Weather Forecast for Alajuela
Alajuela, Costa Rica
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Current Weather - Alajuela: 20°C
Current Weather - Alajuela: 20°C
Alajuela, Costa Rica
Light rain shower
Feels like 20°C
Wind
4 km/h ENE
Humidity
95%
Pressure
1013 mb
UV Index
0
Visibility
10 km
Moderate rain
Sunday, May 31, 2026
High
29°C
Low
18°C
Rain Chance
91%
Hourly Forecast
25°C
27°C
26°C
25°C
25°C
25°C
24°C
23°C
22°C
20°C
20°C
19°C
19°C
20°C
20°C
Day Statistics
Maximum Wind
5 km/h
Humidity
86%
Precipitation
12 mm
UV Index
11
Visibility
7 km
Rain Chance
91%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:54 PM
Moonrise
06:40 PM
Moonset
05:28 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
9.7
μg/m³
PM10
9.7
μg/m³
NO₂
11.1
μg/m³
O₃
43.4
μg/m³
SO₂
3.3
μg/m³
CO
348.2
μg/m³
Moderate rain
Monday, June 01, 2026
High
27°C
Low
18°C
Rain Chance
89%
Hourly Forecast
18°C
18°C
18°C
17°C
17°C
17°C
18°C
22°C
23°C
25°C
27°C
26°C
26°C
24°C
24°C
23°C
23°C
23°C
20°C
19°C
19°C
19°C
18°C
17°C
Day Statistics
Maximum Wind
6 km/h
Humidity
88%
Precipitation
14 mm
UV Index
10
Visibility
6 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:54 PM
Moonrise
07:33 PM
Moonset
06:21 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
8.9
μg/m³
PM10
9.1
μg/m³
NO₂
15.4
μg/m³
O₃
35.4
μg/m³
SO₂
3
μg/m³
CO
531.9
μg/m³
Heavy rain
Tuesday, June 02, 2026
High
27°C
Low
17°C
Rain Chance
88%
Hourly Forecast
17°C
17°C
17°C
17°C
17°C
17°C
18°C
22°C
24°C
25°C
27°C
27°C
26°C
26°C
25°C
24°C
24°C
23°C
20°C
19°C
19°C
19°C
19°C
19°C
Day Statistics
Maximum Wind
6 km/h
Humidity
87%
Precipitation
24 mm
UV Index
13
Visibility
7 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:55 PM
Moonrise
08:23 PM
Moonset
07:14 AM
Moon Phase
Waning Gibbous
Moon Illumination
90%
Air Quality
PM2.5
8.4
μg/m³
PM10
8.9
μg/m³
NO₂
16.9
μg/m³
O₃
34.4
μg/m³
SO₂
3.6
μg/m³
CO
507.6
μg/m³
Moderate rain
Wednesday, June 03, 2026
High
27°C
Low
17°C
Rain Chance
80%
Hourly Forecast
19°C
19°C
18°C
18°C
18°C
18°C
19°C
22°C
24°C
26°C
26°C
25°C
25°C
25°C
24°C
24°C
23°C
22°C
19°C
19°C
19°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
5 km/h
Humidity
88%
Precipitation
20 mm
UV Index
12
Visibility
7 km
Rain Chance
80%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:55 PM
Moonrise
09:09 PM
Moonset
08:06 AM
Moon Phase
Waning Gibbous
Moon Illumination
83%
Air Quality
PM2.5
6.8
μg/m³
PM10
7.1
μg/m³
NO₂
13.1
μg/m³
O₃
41.2
μg/m³
SO₂
3.5
μg/m³
CO
418.5
μg/m³
Moderate rain
Thursday, June 04, 2026
High
27°C
Low
17°C
Rain Chance
67%
Hourly Forecast
19°C
18°C
18°C
18°C
17°C
17°C
18°C
22°C
23°C
25°C
27°C
26°C
25°C
24°C
24°C
23°C
23°C
22°C
21°C
20°C
20°C
20°C
19°C
18°C
Day Statistics
Maximum Wind
5 km/h
Humidity
88%
Precipitation
9 mm
UV Index
0
Visibility
8 km
Rain Chance
67%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:55 PM
Moonrise
09:51 PM
Moonset
08:56 AM
Moon Phase
Waning Gibbous
Moon Illumination
74%
Air Quality
PM2.5
15.1
μg/m³
PM10
15.2
μg/m³
NO₂
22.6
μg/m³
O₃
11.4
μg/m³
SO₂
4
μg/m³
CO
522.6
μg/m³
Moderate rain
Friday, June 05, 2026
High
24°C
Low
18°C
Rain Chance
89%
Hourly Forecast
18°C
18°C
18°C
19°C
18°C
18°C
18°C
20°C
22°C
23°C
24°C
24°C
24°C
23°C
22°C
21°C
21°C
21°C
20°C
20°C
20°C
20°C
20°C
20°C
Day Statistics
Maximum Wind
6 km/h
Humidity
94%
Precipitation
10 mm
UV Index
5
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:55 PM
Moonrise
10:31 PM
Moonset
09:44 AM
Moon Phase
Last Quarter
Moon Illumination
64%
Moderate rain
Saturday, June 06, 2026
High
23°C
Low
17°C
Rain Chance
78%
Hourly Forecast
20°C
20°C
20°C
19°C
19°C
20°C
20°C
20°C
21°C
22°C
22°C
22°C
23°C
22°C
22°C
21°C
21°C
20°C
20°C
20°C
20°C
20°C
19°C
19°C
Day Statistics
Maximum Wind
7 km/h
Humidity
94%
Precipitation
9 mm
UV Index
4
Visibility
7 km
Rain Chance
78%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:56 PM
Moonrise
11:08 PM
Moonset
10:30 AM
Moon Phase
Last Quarter
Moon Illumination
54%
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