Saint Petersburg, Russia 14-Day Forecast
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47°
Clear right now
Today: high 65°, low 46°
Updated 19 min ago
Saint Petersburg weather for the next 14 days
Thursday, September 17
Patchy rain nearby High 61° Low 53°Precipitation
87%
· 0.23 in
Max wind
11 mph
Humidity
86%
UV index
2 - Low
Sunrise / sunset
06:31 AM / 07:14 PM
Friday, September 18
Patchy rain nearby High 62° Low 52°Precipitation
61%
· 0.03 in
Max wind
11 mph
Humidity
81%
UV index
2 - Low
Sunrise / sunset
06:34 AM / 07:11 PM
Saturday, September 19
Patchy rain nearby High 61° Low 55°Precipitation
66%
· 0.05 in
Max wind
13 mph
Humidity
79%
UV index
2 - Low
Sunrise / sunset
06:36 AM / 07:08 PM
Sunday, September 20
Patchy rain nearby High 63° Low 53°Precipitation
65%
· 0.04 in
Max wind
15 mph
Humidity
81%
UV index
4 - Moderate
Sunrise / sunset
06:38 AM / 07:05 PM
Monday, September 21
Mist High 58° Low 49°Precipitation
72%
· 0.07 in
Max wind
9 mph
Humidity
86%
UV index
4 - Moderate
Sunrise / sunset
06:41 AM / 07:02 PM
Tuesday, September 22
Patchy rain nearby High 54° Low 48°Precipitation
82%
· 0.12 in
Max wind
10 mph
Humidity
89%
UV index
3 - Moderate
Sunrise / sunset
06:43 AM / 06:59 PM
Wednesday, September 23
Sunny High 59° Low 44°Precipitation
16%
· 0.0 in
Max wind
7 mph
Humidity
82%
UV index
4 - Moderate
Sunrise / sunset
06:45 AM / 06:56 PM
Thursday, September 24
Sunny High 57° Low 43°Precipitation
8%
· 0.0 in
Max wind
8 mph
Humidity
75%
UV index
4 - Moderate
Sunrise / sunset
06:48 AM / 06:53 PM
Friday, September 25
Overcast High 56° Low 41°Precipitation
19%
· 0.0 in
Max wind
7 mph
Humidity
76%
UV index
3 - Moderate
Sunrise / sunset
06:50 AM / 06:50 PM
Saturday, September 26
Patchy rain nearby High 50° Low 45°Precipitation
32%
· 0.0 in
Max wind
10 mph
Humidity
82%
UV index
2 - Low
Sunrise / sunset
06:52 AM / 06:47 PM
Sunday, September 27
Sunny High 56° Low 46°Precipitation
24%
· 0.0 in
Max wind
15 mph
Humidity
81%
UV index
4 - Moderate
Sunrise / sunset
06:55 AM / 06:44 PM
Monday, September 28
Sunny High 54° Low 45°Precipitation
59%
· 0.08 in
Max wind
12 mph
Humidity
72%
UV index
4 - Moderate
Sunrise / sunset
06:57 AM / 06:41 PM
Tuesday, September 29
Patchy rain nearby High 56° Low 51°Precipitation
84%
· 0.2 in
Max wind
17 mph
Humidity
83%
UV index
3 - Moderate
Sunrise / sunset
07:00 AM / 06:38 PM
Saint Petersburg 14-day outlook: the story
The warmest day of Saint Petersburg's 14-day outlook is Wednesday, September 16 with a high near 65°F (18°C); the coolest night comes Friday, September 25, dipping to 41°F (5°C). The trend points cooler: week two runs about 5°F below week one. Highs over the next two weeks average 61°F (16°C), right in line with the typical September high of 60°F (16°C).
Precipitation is most likely on Thursday 17, Friday 18, Saturday 19, Sunday 20 and beyond; the wettest day looks like Thursday, September 17 with about 0.23 in (5.9 mm) expected. For the weekend, expect Saturday 61°F (16°C) and patchy rain nearby / Sunday 63°F (17°C) and patchy rain nearby.
For typical conditions month by month, see the Saint Petersburg climate & average temperatures guide.
Saint Petersburg forecast questions
Will it rain in Saint Petersburg this week?
The forecast currently shows meaningful precipitation chances on 8 of the next 14 days, peaking around Thursday, September 17.
What will be the warmest day in Saint Petersburg over the next 14 days?
Wednesday, September 16, with a forecast high near 65°F (18°C).
How accurate is a 14-day forecast for Saint Petersburg?
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 Saint Petersburg by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 26° | 18° | 14 | 1.9 in | 1.3 h/day | 87% |
| February | 29° | 20° | 12 | 1.8 in | 2.9 h/day | 86% |
| March | 36° | 24° | 10 | 1.6 in | 6.6 h/day | 81% |
| April | 46° | 32° | 12 | 2.1 in | 9.4 h/day | 76% |
| May | 59° | 44° | 10 | 1.8 in | 12.8 h/day | 68% |
| June | 69° | 55° | 10 | 2.2 in | 14.6 h/day | 68% |
| July | 71° | 59° | 16 | 3.7 in | 12.8 h/day | 75% |
| August | 69° | 57° | 14 | 4.3 in | 11.1 h/day | 78% |
| September | 60° | 50° | 12 | 2.5 in | 8.1 h/day | 81% |
| October | 47° | 39° | 14 | 2.8 in | 4.8 h/day | 85% |
| November | 37° | 31° | 13 | 2.2 in | 1.6 h/day | 88% |
| December | 31° | 24° | 15 | 2.2 in | 0.9 h/day | 88% |
14-day forecasts nearby