San Jose, Costa Rica 14-Day Forecast
Costa Rica 🇨🇷
75°
Cloudy right now
Today: high 75°, low 60°
Updated just now
San Jose weather for the next 14 days
Friday, August 7
Mist High 78° Low 60°Precipitation
76%
· 0.13 in
Max wind
5 mph
Humidity
85%
UV index
10 - Very High
Sunrise / sunset
05:26 AM / 05:57 PM
Saturday, August 8
Mist High 78° Low 61°Precipitation
80%
· 0.19 in
Max wind
6 mph
Humidity
85%
UV index
12 - Extreme
Sunrise / sunset
05:26 AM / 05:57 PM
Sunday, August 9
Patchy rain nearby High 72° Low 56°Precipitation
66%
· 0.05 in
Max wind
6 mph
Humidity
87%
UV index
11 - Extreme
Sunrise / sunset
05:27 AM / 05:56 PM
Monday, August 10
Partly Cloudy High 76° Low 55°Precipitation
85%
· 1.13 in
Max wind
5 mph
Humidity
87%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:56 PM
Tuesday, August 11
Mist High 81° Low 58°Precipitation
60%
· 0.04 in
Max wind
6 mph
Humidity
84%
UV index
7 - High
Sunrise / sunset
05:27 AM / 05:55 PM
Wednesday, August 12
Mist High 79° Low 59°Precipitation
80%
· 0.2 in
Max wind
5 mph
Humidity
85%
UV index
6 - High
Sunrise / sunset
05:27 AM / 05:55 PM
Thursday, August 13
Patchy rain nearby High 79° Low 61°Precipitation
73%
· 0.1 in
Max wind
5 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
05:27 AM / 05:55 PM
Friday, August 14
Patchy rain nearby High 80° Low 60°Precipitation
74%
· 0.12 in
Max wind
6 mph
Humidity
83%
UV index
6 - High
Sunrise / sunset
05:27 AM / 05:54 PM
Saturday, August 15
Patchy rain nearby High 80° Low 62°Precipitation
74%
· 0.14 in
Max wind
6 mph
Humidity
82%
UV index
6 - High
Sunrise / sunset
05:27 AM / 05:54 PM
Sunday, August 16
Mist High 81° Low 60°Precipitation
80%
· 0.27 in
Max wind
5 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
05:27 AM / 05:53 PM
Monday, August 17
Light rain shower High 70° Low 59°Precipitation
89%
· 0.86 in
Max wind
4 mph
Humidity
93%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:53 PM
Tuesday, August 18
Mist High 70° Low 62°Precipitation
87%
· 0.25 in
Max wind
4 mph
Humidity
93%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:52 PM
Wednesday, August 19
Mist High 71° Low 59°Precipitation
91%
· 0.53 in
Max wind
5 mph
Humidity
94%
UV index
5 - Moderate
Sunrise / sunset
05:27 AM / 05:52 PM
San Jose 14-day outlook: the story
The warmest day of San Jose's 14-day outlook is Tuesday, August 11 with a high near 81°F (27°C); the coolest night comes Monday, August 10, dipping to 55°F (13°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 77°F (25°C), right in line with the typical August high of 77°F (25°C).
Precipitation is most likely on Thursday 6, Friday 7, Saturday 8, Sunday 9 and beyond; the wettest day looks like Monday, August 10 with about 1.13 in (28.7 mm) expected. For the weekend, expect Saturday 78°F (26°C) and mist / Sunday 72°F (22°C) and patchy rain nearby.
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 Monday, August 10.
What will be the warmest day in San Jose over the next 14 days?
Tuesday, August 11, with a forecast high near 81°F (27°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