Weather Forecast for Alajuela
Alajuela, Costa Rica
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Current Weather - Alajuela: 28°C
Current Weather - Alajuela: 28°C
Alajuela, Costa Rica
Overcast
Feels like 32°C
Wind
4 km/h WNW
Humidity
74%
Pressure
1017 mb
UV Index
7
Visibility
10 km
Moderate rain
Monday, June 15, 2026
High
28°C
Low
17°C
Rain Chance
83%
Hourly Forecast
20°C
20°C
20°C
Day Statistics
Maximum Wind
7 km/h
Humidity
88%
Precipitation
6 mm
UV Index
12
Visibility
6 km
Rain Chance
83%
Snow Chance
0%
Sun & Moon
Sunrise
05:16 AM
Sunset
05:58 PM
Moonrise
05:21 AM
Moonset
06:38 PM
Moon Phase
New Moon
Moon Illumination
2%
Air Quality
PM2.5
8.7
μg/m³
PM10
9.8
μg/m³
NO₂
10
μg/m³
O₃
42.6
μg/m³
SO₂
3.2
μg/m³
CO
329.6
μg/m³
Heavy rain
Tuesday, June 16, 2026
High
27°C
Low
17°C
Rain Chance
88%
Hourly Forecast
20°C
20°C
20°C
20°C
19°C
17°C
18°C
21°C
22°C
23°C
26°C
27°C
26°C
25°C
24°C
23°C
22°C
20°C
18°C
18°C
19°C
19°C
18°C
19°C
Day Statistics
Maximum Wind
6 km/h
Humidity
89%
Precipitation
21 mm
UV Index
12
Visibility
8 km
Rain Chance
88%
Snow Chance
0%
Sun & Moon
Sunrise
05:16 AM
Sunset
05:58 PM
Moonrise
06:28 AM
Moonset
07:41 PM
Moon Phase
Waxing Crescent
Moon Illumination
6%
Air Quality
PM2.5
7.8
μg/m³
PM10
7.9
μg/m³
NO₂
12.6
μg/m³
O₃
39.8
μg/m³
SO₂
3.4
μg/m³
CO
747
μg/m³
Moderate rain
Wednesday, June 17, 2026
High
25°C
Low
18°C
Rain Chance
89%
Hourly Forecast
19°C
18°C
19°C
19°C
19°C
18°C
19°C
20°C
22°C
23°C
25°C
25°C
25°C
24°C
23°C
22°C
21°C
20°C
20°C
20°C
19°C
19°C
19°C
18°C
Day Statistics
Maximum Wind
6 km/h
Humidity
90%
Precipitation
18 mm
UV Index
10
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:16 AM
Sunset
05:59 PM
Moonrise
07:35 AM
Moonset
08:38 PM
Moon Phase
Waxing Crescent
Moon Illumination
11%
Air Quality
PM2.5
12.6
μg/m³
PM10
13.8
μg/m³
NO₂
14.7
μg/m³
O₃
43.7
μg/m³
SO₂
3.4
μg/m³
CO
679.6
μg/m³
Heavy rain
Thursday, June 18, 2026
High
24°C
Low
16°C
Rain Chance
89%
Hourly Forecast
18°C
18°C
18°C
18°C
17°C
16°C
17°C
21°C
23°C
24°C
24°C
24°C
23°C
23°C
23°C
22°C
22°C
21°C
19°C
18°C
18°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
5 km/h
Humidity
91%
Precipitation
21 mm
UV Index
11
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:16 AM
Sunset
05:59 PM
Moonrise
08:38 AM
Moonset
09:30 PM
Moon Phase
Waxing Crescent
Moon Illumination
19%
Air Quality
PM2.5
8.9
μg/m³
PM10
9.2
μg/m³
NO₂
12.2
μg/m³
O₃
44.9
μg/m³
SO₂
2.6
μg/m³
CO
509.1
μg/m³
Moderate rain
Friday, June 19, 2026
High
26°C
Low
17°C
Rain Chance
87%
Hourly Forecast
17°C
17°C
17°C
17°C
17°C
17°C
17°C
19°C
21°C
22°C
23°C
24°C
26°C
26°C
24°C
23°C
21°C
21°C
19°C
19°C
19°C
18°C
19°C
18°C
Day Statistics
Maximum Wind
5 km/h
Humidity
90%
Precipitation
12 mm
UV Index
0
Visibility
6 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
05:16 AM
Sunset
05:59 PM
Moonrise
09:36 AM
Moonset
10:17 PM
Moon Phase
Waxing Crescent
Moon Illumination
28%
Air Quality
PM2.5
15.3
μg/m³
PM10
15.4
μg/m³
NO₂
19.6
μg/m³
O₃
10
μg/m³
SO₂
2.4
μg/m³
CO
492
μg/m³
Moderate rain
Saturday, June 20, 2026
High
25°C
Low
16°C
Rain Chance
80%
Hourly Forecast
17°C
17°C
16°C
16°C
16°C
16°C
16°C
19°C
22°C
25°C
25°C
25°C
25°C
25°C
24°C
23°C
22°C
20°C
19°C
19°C
19°C
19°C
18°C
18°C
Day Statistics
Maximum Wind
5 km/h
Humidity
89%
Precipitation
6 mm
UV Index
4
Visibility
8 km
Rain Chance
80%
Snow Chance
0%
Sun & Moon
Sunrise
05:17 AM
Sunset
05:59 PM
Moonrise
10:31 AM
Moonset
11:00 PM
Moon Phase
First Quarter
Moon Illumination
38%
Moderate rain
Sunday, June 21, 2026
High
25°C
Low
17°C
Rain Chance
83%
Hourly Forecast
18°C
17°C
17°C
17°C
17°C
17°C
18°C
20°C
22°C
25°C
25°C
25°C
24°C
23°C
22°C
21°C
21°C
20°C
20°C
19°C
18°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
5 km/h
Humidity
91%
Precipitation
6 mm
UV Index
4
Visibility
7 km
Rain Chance
83%
Snow Chance
0%
Sun & Moon
Sunrise
05:17 AM
Sunset
05:59 PM
Moonrise
11:22 AM
Moonset
11:41 PM
Moon Phase
First Quarter
Moon Illumination
48%
Solar Radiation Data
Shortwave Radiation
644.18
Diffuse Radiation
329.22
DNI
1100
GTI
349.26
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