San Marino, San Marino 14-Day Forecast
San Marino 🇸🇲
67°
Clear right now
Today: high 81°, low 64°
Updated just now
San Marino weather for the next 14 days
Thursday, September 17
Sunny High 83° Low 66°Precipitation
64%
· 0.19 in
Max wind
10 mph
Humidity
65%
UV index
5 - Moderate
Sunrise / sunset
06:51 AM / 07:17 PM
Friday, September 18
Overcast High 81° Low 66°Precipitation
76%
· 0.24 in
Max wind
7 mph
Humidity
74%
UV index
5 - Moderate
Sunrise / sunset
06:52 AM / 07:15 PM
Saturday, September 19
Sunny High 78° Low 64°Precipitation
9%
· 0.0 in
Max wind
7 mph
Humidity
76%
UV index
5 - Moderate
Sunrise / sunset
06:54 AM / 07:13 PM
Sunday, September 20
Sunny High 78° Low 65°Precipitation
7%
· 0.0 in
Max wind
7 mph
Humidity
71%
UV index
7 - High
Sunrise / sunset
06:55 AM / 07:12 PM
Monday, September 21
Sunny High 79° Low 67°Precipitation
8%
· 0.0 in
Max wind
7 mph
Humidity
65%
UV index
7 - High
Sunrise / sunset
06:56 AM / 07:10 PM
Tuesday, September 22
Sunny High 73° Low 65°Precipitation
9%
· 0.0 in
Max wind
14 mph
Humidity
68%
UV index
6 - High
Sunrise / sunset
06:57 AM / 07:08 PM
Wednesday, September 23
Sunny High 70° Low 60°Precipitation
2%
· 0.0 in
Max wind
13 mph
Humidity
52%
UV index
6 - High
Sunrise / sunset
06:58 AM / 07:06 PM
Thursday, September 24
Sunny High 72° Low 59°Precipitation
3%
· 0.0 in
Max wind
8 mph
Humidity
56%
UV index
6 - High
Sunrise / sunset
06:59 AM / 07:04 PM
Friday, September 25
Sunny High 76° Low 60°Precipitation
5%
· 0.0 in
Max wind
6 mph
Humidity
50%
UV index
6 - High
Sunrise / sunset
07:01 AM / 07:02 PM
Saturday, September 26
Sunny High 72° Low 62°Precipitation
6%
· 0.0 in
Max wind
18 mph
Humidity
63%
UV index
6 - High
Sunrise / sunset
07:02 AM / 07:00 PM
Sunday, September 27
Sunny High 73° Low 60°Precipitation
7%
· 0.0 in
Max wind
11 mph
Humidity
65%
UV index
6 - High
Sunrise / sunset
07:03 AM / 06:59 PM
Monday, September 28
Sunny High 74° Low 59°Precipitation
3%
· 0.0 in
Max wind
7 mph
Humidity
60%
UV index
6 - High
Sunrise / sunset
07:04 AM / 06:57 PM
Tuesday, September 29
Overcast High 74° Low 62°Precipitation
8%
· 0.0 in
Max wind
11 mph
Humidity
59%
UV index
6 - High
Sunrise / sunset
07:05 AM / 06:55 PM
San Marino 14-day outlook: the story
The warmest day of San Marino's 14-day outlook is Thursday, September 17 with a high near 83°F (28°C); the coolest night comes Thursday, September 24, dipping to 59°F (15°C). The trend points cooler: week two runs about 6°F below week one. Highs over the next two weeks average 79°F (26°C), about 8°F (4°C) above the typical September high of 71°F (22°C).
Precipitation is most likely on Thursday 17, Friday 18; the wettest day looks like Friday, September 18 with about 0.24 in (6.0 mm) expected. For the weekend, expect Saturday 78°F (25°C) and sunny / Sunday 78°F (26°C) and sunny.
For typical conditions month by month, see the San Marino climate & average temperatures guide.
San Marino forecast questions
Will it rain in San Marino this week?
The forecast currently shows meaningful precipitation chances on 2 of the next 14 days, peaking around Friday, September 18.
What will be the warmest day in San Marino over the next 14 days?
Thursday, September 17, with a forecast high near 83°F (28°C).
How accurate is a 14-day forecast for San Marino?
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 Marino by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 44° | 31° | 10 | 3.1 in | 6.1 h/day | 81% |
| February | 48° | 33° | 10 | 3.7 in | 7.3 h/day | 77% |
| March | 51° | 36° | 10 | 3.0 in | 9.0 h/day | 73% |
| April | 58° | 41° | 11 | 2.8 in | 10.6 h/day | 70% |
| May | 65° | 49° | 14 | 5.1 in | 11.2 h/day | 72% |
| June | 76° | 58° | 9 | 2.4 in | 13.1 h/day | 64% |
| July | 82° | 63° | 8 | 1.8 in | 13.7 h/day | 59% |
| August | 80° | 63° | 8 | 2.4 in | 12.3 h/day | 62% |
| September | 71° | 55° | 10 | 3.8 in | 10.3 h/day | 71% |
| October | 63° | 49° | 11 | 4.4 in | 8.1 h/day | 79% |
| November | 53° | 40° | 12 | 4.4 in | 6.0 h/day | 83% |
| December | 47° | 34° | 9 | 2.8 in | 5.9 h/day | 83% |