San Jose, Costa Rica 14-Day Forecast
Costa Rica 🇨🇷
64°
Patchy rain nearby right now
Today: high 78°, low 60°
Updated 3 hours ago
San Jose weather for the next 14 days
Sunday, August 16
Mist High 68° Low 60°Precipitation
90%
· 2.03 in
Max wind
6 mph
Humidity
95%
UV index
2 - Low
Sunrise / sunset
05:27 AM / 05:53 PM
Monday, August 17
Mist High 76° Low 59°Precipitation
83%
· 0.19 in
Max wind
5 mph
Humidity
90%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:53 PM
Tuesday, August 18
Light rain shower High 75° Low 60°Precipitation
90%
· 0.45 in
Max wind
4 mph
Humidity
93%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:52 PM
Wednesday, August 19
Light rain shower High 72° Low 63°Precipitation
91%
· 0.43 in
Max wind
3 mph
Humidity
95%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:52 PM
Thursday, August 20
Light rain shower High 69° Low 61°Precipitation
90%
· 0.89 in
Max wind
4 mph
Humidity
95%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:51 PM
Friday, August 21
Patchy rain nearby High 77° Low 60°Precipitation
87%
· 1.06 in
Max wind
5 mph
Humidity
90%
UV index
6 - High
Sunrise / sunset
05:27 AM / 05:51 PM
Saturday, August 22
Mist High 78° Low 59°Precipitation
83%
· 0.28 in
Max wind
6 mph
Humidity
87%
UV index
7 - High
Sunrise / sunset
05:27 AM / 05:50 PM
Sunday, August 23
Light rain shower High 74° Low 59°Precipitation
89%
· 0.55 in
Max wind
4 mph
Humidity
92%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:50 PM
Monday, August 24
Mist High 76° Low 62°Precipitation
88%
· 0.39 in
Max wind
5 mph
Humidity
90%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:49 PM
Tuesday, August 25
Light rain shower High 75° Low 59°Precipitation
89%
· 1.72 in
Max wind
5 mph
Humidity
91%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:49 PM
Wednesday, August 26
Light rain shower High 72° Low 60°Precipitation
90%
· 0.85 in
Max wind
4 mph
Humidity
95%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:48 PM
Thursday, August 27
Fog High 75° Low 59°Precipitation
87%
· 0.29 in
Max wind
5 mph
Humidity
91%
UV index
6 - High
Sunrise / sunset
05:27 AM / 05:48 PM
Friday, August 28
Mist High 76° Low 63°Precipitation
36%
· 0.01 in
Max wind
6 mph
Humidity
89%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:47 PM
San Jose 14-day outlook: the story
The warmest day of San Jose's 14-day outlook is Saturday, August 22 with a high near 78°F (26°C); the coolest night comes Saturday, August 22, dipping to 59°F (15°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 74°F (23°C), about 3°F (2°C) below the typical August high of 77°F (25°C).
Precipitation is most likely on Saturday 15, Sunday 16, Monday 17, Tuesday 18 and beyond; the wettest day looks like Sunday, August 16 with about 2.03 in (51.5 mm) expected. For the weekend, expect Saturday 78°F (26°C) and patchy rain nearby / Sunday 68°F (20°C) and mist.
For typical conditions month by month, see the San Jose climate & average temperatures guide.
San Jose forecast questions
Will it rain in San Jose this week?
The forecast currently shows meaningful precipitation chances on 13 of the next 14 days, peaking around Sunday, August 16.
What will be the warmest day in San Jose over the next 14 days?
Saturday, August 22, with a forecast high near 78°F (26°C).
How accurate is a 14-day forecast for San Jose?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in San Jose by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 77° | 61° | 8 | 1.9 in | 10.7 h/day | 73% |
| February | 79° | 61° | 6 | 1.4 in | 11.3 h/day | 68% |
| March | 80° | 62° | 8 | 1.3 in | 11.2 h/day | 68% |
| April | 80° | 63° | 17 | 4.5 in | 10.4 h/day | 74% |
| May | 78° | 63° | 27 | 15.0 in | 8.5 h/day | 85% |
| June | 76° | 63° | 28 | 14.3 in | 8.1 h/day | 88% |
| July | 76° | 63° | 24 | 12.1 in | 8.3 h/day | 84% |
| August | 77° | 63° | 27 | 15.0 in | 8.5 h/day | 86% |
| September | 77° | 62° | 29 | 16.6 in | 8.2 h/day | 89% |
| October | 75° | 62° | 29 | 21.1 in | 7.8 h/day | 90% |
| November | 75° | 62° | 25 | 13.5 in | 8.1 h/day | 87% |
| December | 76° | 62° | 13 | 3.5 in | 10.1 h/day | 78% |
14-day forecasts nearby