Weather Forecast for Alajuela
Alajuela, Costa Rica
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Current Weather - Alajuela: 21°C
Current Weather - Alajuela: 21°C
Alajuela, Costa Rica
Partly cloudy
Feels like 21°C
Wind
7 km/h NE
Humidity
83%
Pressure
1013 mb
UV Index
0
Visibility
10 km
Heavy rain
Tuesday, May 26, 2026
High
30°C
Low
17°C
Rain Chance
93%
Hourly Forecast
26°C
23°C
22°C
22°C
21°C
20°C
20°C
19°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
8 km/h
Humidity
81%
Precipitation
28 mm
UV Index
13
Visibility
9 km
Rain Chance
93%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:53 PM
Moonrise
02:15 PM
Moonset
01:41 AM
Moon Phase
Waxing Gibbous
Moon Illumination
83%
Air Quality
PM2.5
9.7
μg/m³
PM10
11.3
μg/m³
NO₂
12.2
μg/m³
O₃
39.9
μg/m³
SO₂
4
μg/m³
CO
517.9
μg/m³
Moderate rain
Wednesday, May 27, 2026
High
28°C
Low
17°C
Rain Chance
87%
Hourly Forecast
17°C
18°C
17°C
17°C
17°C
17°C
19°C
22°C
24°C
26°C
27°C
28°C
28°C
27°C
27°C
24°C
23°C
22°C
20°C
19°C
19°C
19°C
19°C
19°C
Day Statistics
Maximum Wind
8 km/h
Humidity
81%
Precipitation
12 mm
UV Index
12
Visibility
8 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:53 PM
Moonrise
03:06 PM
Moonset
02:22 AM
Moon Phase
Waxing Gibbous
Moon Illumination
90%
Air Quality
PM2.5
11
μg/m³
PM10
12.2
μg/m³
NO₂
16.2
μg/m³
O₃
44.9
μg/m³
SO₂
4.1
μg/m³
CO
481.4
μg/m³
Moderate rain
Thursday, May 28, 2026
High
26°C
Low
18°C
Rain Chance
85%
Hourly Forecast
19°C
19°C
19°C
20°C
19°C
18°C
20°C
22°C
24°C
25°C
26°C
25°C
24°C
24°C
23°C
22°C
22°C
21°C
20°C
20°C
20°C
19°C
19°C
18°C
Day Statistics
Maximum Wind
7 km/h
Humidity
91%
Precipitation
18 mm
UV Index
11
Visibility
7 km
Rain Chance
85%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:53 PM
Moonrise
03:58 PM
Moonset
03:04 AM
Moon Phase
Waxing Gibbous
Moon Illumination
96%
Air Quality
PM2.5
7
μg/m³
PM10
7.1
μg/m³
NO₂
12.7
μg/m³
O₃
47.8
μg/m³
SO₂
3
μg/m³
CO
513.5
μg/m³
Moderate rain
Friday, May 29, 2026
High
27°C
Low
17°C
Rain Chance
89%
Hourly Forecast
18°C
18°C
17°C
17°C
17°C
17°C
19°C
21°C
23°C
25°C
27°C
27°C
26°C
24°C
23°C
23°C
23°C
22°C
21°C
20°C
20°C
20°C
20°C
20°C
Day Statistics
Maximum Wind
10 km/h
Humidity
88%
Precipitation
10 mm
UV Index
6
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:54 PM
Moonrise
04:51 PM
Moonset
03:50 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
5.6
μg/m³
PM10
5.6
μg/m³
NO₂
11.7
μg/m³
O₃
48
μg/m³
SO₂
5.7
μg/m³
CO
740.6
μg/m³
Moderate rain
Saturday, May 30, 2026
High
27°C
Low
18°C
Rain Chance
89%
Hourly Forecast
20°C
19°C
19°C
18°C
18°C
18°C
19°C
22°C
22°C
25°C
26°C
27°C
27°C
26°C
25°C
25°C
23°C
21°C
19°C
19°C
19°C
19°C
19°C
19°C
Day Statistics
Maximum Wind
8 km/h
Humidity
86%
Precipitation
13 mm
UV Index
0
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:14 AM
Sunset
05:54 PM
Moonrise
05:46 PM
Moonset
04:38 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
12.1
μg/m³
PM10
12.2
μg/m³
NO₂
25.3
μg/m³
O₃
14.3
μg/m³
SO₂
5.2
μg/m³
CO
557.7
μg/m³
Moderate rain
Sunday, May 31, 2026
High
26°C
Low
17°C
Rain Chance
83%
Hourly Forecast
19°C
19°C
19°C
18°C
18°C
19°C
19°C
21°C
23°C
25°C
25°C
25°C
26°C
25°C
24°C
23°C
22°C
21°C
20°C
19°C
18°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
7 km/h
Humidity
89%
Precipitation
15 mm
UV Index
5
Visibility
8 km
Rain Chance
83%
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%
Moderate rain
Monday, June 01, 2026
High
27°C
Low
17°C
Rain Chance
86%
Hourly Forecast
17°C
17°C
17°C
17°C
17°C
18°C
18°C
21°C
24°C
27°C
26°C
26°C
26°C
25°C
24°C
22°C
21°C
20°C
19°C
19°C
18°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
7 km/h
Humidity
86%
Precipitation
6 mm
UV Index
5
Visibility
9 km
Rain Chance
86%
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%
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