Weather in Alajuela - 14-day forecast
Detailed weather forecast for Alajuela, Costa Rica: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Alajuela
today🌧️
28°💧 4.3 mm
Thu🌧️
31°💧 10 mm
Fri🌧️
30°💧 8.6 mm
Sat🌧️
22°💧 21.5 mm
Sun🌧️
22°💧 5 mm
Mon🌧️
25°💧 3.1 mm
Tue🌧️
25°💧 16.2 mm
Wed🌧️
24°💧 18.8 mm
14-day forecast - Alajuela
📅 Alajuela 30 & 45-day weather - long-range outlook
Next 15 days · forecast
26°
around 20° at night · days with rain: 15
Weeks 3-4 · avg for July
27°
around 20° at night · rain chance 61%
Weeks 5-7 · avg for August
27°
around 19° at night · rain chance 67%
The 30 & 45-day outlook for Alajuela: the next 15 days are a numerical forecast updated daily - on average 26° by day and 20° at night. Further out we rely on multi-year climate averages: around 27° in July, and about 27° in August. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Alajuela
Wednesday8 July 2026
🌧️28°moderate rain
Thursday9 July 2026
🌧️31°moderate rain
Friday10 July 2026
🌧️30°moderate rain
Saturday11 July 2026
🌧️22°moderate rain
Sunday12 July 2026
🌧️22°light rain
Monday13 July 2026
🌧️25°light rain
Tuesday14 July 2026
🌧️25°moderate rain
Wednesday15 July 2026
🌧️24°moderate rain
Thursday16 July 2026
🌧️25°moderate rain
Friday17 July 2026
🌧️26°light rain
Saturday18 July 2026
🌧️25°moderate rain
Sunday19 July 2026
🌧️25°moderate rain
Monday20 July 2026
🌧️27°moderate rain
Tuesday21 July 2026
🌧️24°moderate rain
Wednesday22 July 2026
🌧️26°moderate rain
☀️ UV index in Alajuela - is it safe to sunbathe?
Today the UV index in Alajuela is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.
Air quality and smog in Alajuela
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| San José | 14 | 20.4 | good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-07, 19:00).
Alajuela weather through the year
🎉 Public holidays in Alajuela - when are the long weekends?
Next long weekend in Alajuela: Independence Day (15 September, Tuesday) - Saturday–Tuesday if you take Monday off (4 days).
25 JulySaturday
Annexation of the Party of Nicoya to Costa Rica
falls on a weekend2 AugustSunday
Feast of Our Lady of the Angels
falls on a weekend15 AugustSaturday
Mother's Day
falls on a weekend15 SeptemberTuesday
Independence Day
🎈 long weekend + bridge day1 DecemberTuesday
Army Abolition Day
🎈 long weekend + bridge day25 DecemberFriday
Christmas Day
🎈 long weekend1 JanuaryFriday 2027
New Year's Day
🎈 long weekend25 MarchThursday 2027
Maundy Thursday
🎈 long weekend + bridge day26 MarchFriday 2027
Good Friday
🎈 long weekend11 AprilSunday 2027
Juan Santamaría Day
falls on a weekend1 MaySaturday 2027
Labour Day
falls on a weekend25 JulySunday 2027
Annexation of the Party of Nicoya to Costa Rica
falls on a weekendPublic holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.
Nearby places
FAQ - Alajuela weather
What is the weather like in Alajuela today?
Today it is about 28° during the day and 20° at night, moderate rain.
How far ahead can I check the forecast for Alajuela?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.