Weather Forecast for Alajuela
Alajuela, Costa Rica
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Current Weather - Alajuela: 22°C
Current Weather - Alajuela: 22°C
Alajuela, Costa Rica
Light rain shower
Feels like 25°C
Wind
5 km/h WSW
Humidity
90%
Pressure
1011 mb
UV Index
2
Visibility
10 km
Light rain shower
Monday, September 28, 2026
High
26°C
Low
18°C
Rain Chance
90%
Hourly Forecast
19°C
Day Statistics
Maximum Wind
9 km/h
Humidity
88%
Precipitation
20 mm
UV Index
12
Visibility
9 km
Rain Chance
90%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
05:29 PM
Moonrise
06:54 PM
Moonset
06:53 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Air Quality
PM2.5
8
μg/m³
PM10
8.1
μg/m³
NO₂
14.4
μg/m³
O₃
37.9
μg/m³
SO₂
4.1
μg/m³
CO
819.8
μg/m³
Light rain shower
Tuesday, September 29, 2026
High
27°C
Low
18°C
Rain Chance
89%
Hourly Forecast
19°C
19°C
18°C
18°C
18°C
18°C
18°C
21°C
23°C
25°C
27°C
26°C
25°C
23°C
23°C
22°C
21°C
20°C
20°C
20°C
20°C
20°C
20°C
19°C
Day Statistics
Maximum Wind
8 km/h
Humidity
90%
Precipitation
18 mm
UV Index
12
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
05:28 PM
Moonrise
07:40 PM
Moonset
07:45 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
Air Quality
PM2.5
8.3
μg/m³
PM10
8.5
μg/m³
NO₂
12.3
μg/m³
O₃
44.5
μg/m³
SO₂
3.5
μg/m³
CO
808.4
μg/m³
Fog
Wednesday, September 30, 2026
High
24°C
Low
19°C
Rain Chance
90%
Hourly Forecast
19°C
19°C
19°C
19°C
19°C
19°C
19°C
21°C
22°C
24°C
24°C
24°C
24°C
23°C
23°C
22°C
22°C
21°C
20°C
19°C
19°C
19°C
19°C
19°C
Day Statistics
Maximum Wind
7 km/h
Humidity
93%
Precipitation
10 mm
UV Index
11
Visibility
6 km
Rain Chance
90%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
05:28 PM
Moonrise
08:30 PM
Moonset
08:40 AM
Moon Phase
Waning Gibbous
Moon Illumination
75%
Air Quality
PM2.5
5.4
μg/m³
PM10
5.5
μg/m³
NO₂
12.7
μg/m³
O₃
41.5
μg/m³
SO₂
2
μg/m³
CO
894.9
μg/m³
Fog
Thursday, October 01, 2026
High
26°C
Low
18°C
Rain Chance
74%
Hourly Forecast
18°C
18°C
18°C
18°C
18°C
18°C
18°C
20°C
22°C
24°C
25°C
26°C
26°C
26°C
25°C
23°C
22°C
21°C
20°C
19°C
19°C
19°C
19°C
20°C
Day Statistics
Maximum Wind
11 km/h
Humidity
88%
Precipitation
2 mm
UV Index
13
Visibility
5 km
Rain Chance
74%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
05:27 PM
Moonrise
09:26 PM
Moonset
09:39 AM
Moon Phase
Last Quarter
Moon Illumination
66%
Air Quality
PM2.5
3.9
μg/m³
PM10
4
μg/m³
NO₂
9.5
μg/m³
O₃
35.9
μg/m³
SO₂
1.3
μg/m³
CO
472.3
μg/m³
Light rain shower
Friday, October 02, 2026
High
24°C
Low
18°C
Rain Chance
90%
Hourly Forecast
19°C
19°C
19°C
19°C
19°C
19°C
19°C
21°C
23°C
24°C
24°C
23°C
23°C
22°C
21°C
21°C
20°C
19°C
18°C
19°C
19°C
19°C
19°C
19°C
Day Statistics
Maximum Wind
7 km/h
Humidity
93%
Precipitation
39 mm
UV Index
10
Visibility
7 km
Rain Chance
90%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
05:26 PM
Moonrise
10:26 PM
Moonset
10:39 AM
Moon Phase
Last Quarter
Moon Illumination
55%
Air Quality
PM2.5
5.3
μg/m³
PM10
5.4
μg/m³
NO₂
10.6
μg/m³
O₃
18.7
μg/m³
SO₂
1.9
μg/m³
CO
274
μg/m³
Light rain shower
Saturday, October 03, 2026
High
25°C
Low
19°C
Rain Chance
89%
Hourly Forecast
19°C
19°C
19°C
19°C
19°C
19°C
19°C
21°C
23°C
25°C
25°C
24°C
24°C
24°C
24°C
24°C
22°C
21°C
20°C
20°C
20°C
19°C
19°C
20°C
Day Statistics
Maximum Wind
6 km/h
Humidity
90%
Precipitation
20 mm
UV Index
6
Visibility
9 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
05:26 PM
Moonrise
11:28 PM
Moonset
11:40 AM
Moon Phase
Last Quarter
Moon Illumination
45%
Light rain shower
Sunday, October 04, 2026
High
25°C
Low
19°C
Rain Chance
91%
Hourly Forecast
20°C
19°C
19°C
19°C
19°C
19°C
19°C
21°C
23°C
25°C
25°C
25°C
25°C
24°C
23°C
23°C
22°C
21°C
20°C
20°C
19°C
19°C
19°C
19°C
Day Statistics
Maximum Wind
5 km/h
Humidity
92%
Precipitation
31 mm
UV Index
5
Visibility
9 km
Rain Chance
91%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
05:25 PM
Moonrise
Does not rise today
Moonset
12:37 PM
Moon Phase
Last Quarter
Moon Illumination
34%
Solar Radiation Data
Shortwave Radiation
365.78
Diffuse Radiation
175.06
DNI
0
GTI
0
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