San Jose, Costa Rica 14-Day Forecast
Costa Rica 🇨🇷
74°
Patchy rain nearby right now
Today: high 74°, low 60°
Updated 1 hour ago
San Jose weather for the next 14 days
Thursday, August 27
Mist High 74° Low 60°Precipitation
83%
· 0.13 in
Max wind
7 mph
Humidity
89%
UV index
3 - Low
Sunrise / sunset
05:27 AM / 05:48 PM
Friday, August 28
Light rain shower High 66° Low 60°Precipitation
92%
· 0.3 in
Max wind
7 mph
Humidity
95%
UV index
4 - Moderate
Sunrise / sunset
05:27 AM / 05:47 PM
Saturday, August 29
Fog High 71° Low 61°Precipitation
91%
· 0.28 in
Max wind
6 mph
Humidity
93%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:47 PM
Sunday, August 30
Fog High 71° Low 59°Precipitation
90%
· 0.29 in
Max wind
6 mph
Humidity
93%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:46 PM
Monday, August 31
Mist High 73° Low 59°Precipitation
82%
· 0.11 in
Max wind
8 mph
Humidity
88%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:46 PM
Tuesday, September 1
Fog High 69° Low 59°Precipitation
83%
· 0.1 in
Max wind
6 mph
Humidity
90%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:45 PM
Wednesday, September 2
Mist High 72° Low 58°Precipitation
87%
· 0.16 in
Max wind
4 mph
Humidity
90%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:44 PM
Thursday, September 3
Light rain shower High 72° Low 60°Precipitation
92%
· 0.53 in
Max wind
4 mph
Humidity
91%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:44 PM
Friday, September 4
Light rain shower High 69° Low 62°Precipitation
90%
· 0.19 in
Max wind
4 mph
Humidity
95%
UV index
5 - Moderate
Sunrise / sunset
05:26 AM / 05:43 PM
Saturday, September 5
Light rain shower High 70° Low 61°Precipitation
93%
· 0.45 in
Max wind
5 mph
Humidity
95%
UV index
5 - Moderate
Sunrise / sunset
05:26 AM / 05:43 PM
Sunday, September 6
Light rain shower High 66° Low 61°Precipitation
94%
· 0.77 in
Max wind
4 mph
Humidity
96%
UV index
4 - Moderate
Sunrise / sunset
05:26 AM / 05:42 PM
Monday, September 7
Light rain shower High 69° Low 60°Precipitation
92%
· 0.51 in
Max wind
4 mph
Humidity
94%
UV index
5 - Moderate
Sunrise / sunset
05:26 AM / 05:41 PM
Tuesday, September 8
Light rain shower High 68° Low 60°Precipitation
93%
· 0.42 in
Max wind
4 mph
Humidity
94%
UV index
4 - Moderate
Sunrise / sunset
05:26 AM / 05:41 PM
San Jose 14-day outlook: the story
The warmest day of San Jose's 14-day outlook is Wednesday, August 26 with a high near 74°F (24°C); the coolest night comes Wednesday, September 2, dipping to 58°F (14°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 71°F (22°C), about 6°F (3°C) below the typical August high of 77°F (25°C).
Precipitation is most likely on Wednesday 26, Thursday 27, Friday 28, Saturday 29 and beyond; the wettest day looks like Sunday, September 6 with about 0.77 in (19.5 mm) expected. For the weekend, expect Saturday 71°F (22°C) and fog / Sunday 71°F (21°C) and fog.
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 14 of the next 14 days, peaking around Sunday, September 6.
What will be the warmest day in San Jose over the next 14 days?
Wednesday, August 26, with a forecast high near 74°F (24°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