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
4 km/h NE
Humidity
83%
Pressure
1018 mb
UV Index
0
Visibility
10 km
Patchy rain nearby
Thursday, June 18, 2026
High
22°C
Low
16°C
Rain Chance
81%
Hourly Forecast
22°C
22°C
21°C
21°C
21°C
20°C
20°C
18°C
18°C
17°C
17°C
17°C
16°C
Day Statistics
Maximum Wind
7 km/h
Humidity
91%
Precipitation
4 mm
UV Index
9
Visibility
9 km
Rain Chance
81%
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
11.2
μg/m³
PM10
12
μg/m³
NO₂
15
μg/m³
O₃
41.4
μg/m³
SO₂
2.5
μg/m³
CO
717.6
μg/m³
Moderate rain
Friday, June 19, 2026
High
27°C
Low
16°C
Rain Chance
78%
Hourly Forecast
17°C
17°C
16°C
16°C
16°C
16°C
17°C
21°C
24°C
25°C
27°C
27°C
26°C
25°C
25°C
24°C
23°C
22°C
19°C
19°C
18°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
7 km/h
Humidity
82%
Precipitation
8 mm
UV Index
11
Visibility
8 km
Rain Chance
78%
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
11
μg/m³
PM10
12.3
μg/m³
NO₂
14.3
μg/m³
O₃
36
μg/m³
SO₂
2.7
μg/m³
CO
650.2
μg/m³
Moderate rain
Saturday, June 20, 2026
High
27°C
Low
16°C
Rain Chance
84%
Hourly Forecast
16°C
16°C
16°C
16°C
16°C
16°C
16°C
21°C
23°C
25°C
27°C
27°C
24°C
23°C
24°C
24°C
23°C
20°C
20°C
19°C
19°C
18°C
18°C
17°C
Day Statistics
Maximum Wind
7 km/h
Humidity
87%
Precipitation
11 mm
UV Index
12
Visibility
6 km
Rain Chance
84%
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%
Air Quality
PM2.5
7.5
μg/m³
PM10
8.1
μg/m³
NO₂
10.6
μg/m³
O₃
30.3
μg/m³
SO₂
2.8
μg/m³
CO
365.9
μg/m³
Heavy rain
Sunday, June 21, 2026
High
26°C
Low
16°C
Rain Chance
88%
Hourly Forecast
17°C
18°C
18°C
18°C
17°C
16°C
17°C
21°C
23°C
25°C
26°C
26°C
24°C
23°C
23°C
22°C
22°C
20°C
20°C
19°C
19°C
20°C
18°C
18°C
Day Statistics
Maximum Wind
6 km/h
Humidity
90%
Precipitation
39 mm
UV Index
12
Visibility
6 km
Rain Chance
88%
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%
Air Quality
PM2.5
5.1
μg/m³
PM10
5.2
μg/m³
NO₂
9.5
μg/m³
O₃
34.5
μg/m³
SO₂
2.5
μg/m³
CO
268.4
μg/m³
Moderate rain
Monday, June 22, 2026
High
27°C
Low
18°C
Rain Chance
84%
Hourly Forecast
19°C
18°C
18°C
18°C
18°C
18°C
18°C
21°C
23°C
23°C
27°C
27°C
23°C
23°C
23°C
22°C
21°C
20°C
19°C
19°C
18°C
18°C
18°C
17°C
Day Statistics
Maximum Wind
7 km/h
Humidity
89%
Precipitation
5 mm
UV Index
0
Visibility
5 km
Rain Chance
84%
Snow Chance
0%
Sun & Moon
Sunrise
05:17 AM
Sunset
06:00 PM
Moonrise
12:13 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
59%
Air Quality
PM2.5
6.2
μg/m³
PM10
6.3
μg/m³
NO₂
16.6
μg/m³
O₃
8.1
μg/m³
SO₂
2.7
μg/m³
CO
389.7
μg/m³
Patchy rain nearby
Tuesday, June 23, 2026
High
24°C
Low
17°C
Rain Chance
77%
Hourly Forecast
17°C
17°C
17°C
17°C
17°C
17°C
17°C
20°C
22°C
24°C
23°C
22°C
22°C
22°C
22°C
22°C
21°C
20°C
19°C
19°C
18°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
6 km/h
Humidity
93%
Precipitation
2 mm
UV Index
4
Visibility
4 km
Rain Chance
77%
Snow Chance
0%
Sun & Moon
Sunrise
05:17 AM
Sunset
06:00 PM
Moonrise
01:03 PM
Moonset
12:22 AM
Moon Phase
Waxing Gibbous
Moon Illumination
69%
Patchy rain nearby
Wednesday, June 24, 2026
High
28°C
Low
16°C
Rain Chance
59%
Hourly Forecast
17°C
17°C
16°C
16°C
16°C
16°C
16°C
19°C
22°C
25°C
26°C
27°C
28°C
27°C
27°C
27°C
24°C
22°C
19°C
19°C
19°C
19°C
18°C
17°C
Day Statistics
Maximum Wind
7 km/h
Humidity
81%
Precipitation
1 mm
UV Index
5
Visibility
7 km
Rain Chance
59%
Snow Chance
0%
Sun & Moon
Sunrise
05:18 AM
Sunset
06:00 PM
Moonrise
01:54 PM
Moonset
01:04 AM
Moon Phase
Waxing Gibbous
Moon Illumination
79%
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