5-day weather forecast Petersburg 17-05-2026

Weather forecast Petersburg today 17.05.2026: sunny, temperature from 18 °C to 37 °C.

No precipitation expected. Wind up to 3.5 m/s (gusts 6.72 m/s). Air humidity 22–79%, atmospheric pressure 764–766 mm Hg, UV index up to 8.7.

Sunrise 05:59
Sunset 20:13
Waxing Crescent0% illuminated
Moonrise 06:10 · Moonset 21:51
Chart
Table
Sun, May 17, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
22 °C0% 0%51%764 mm HgSSW 201° 2.89 (6.08) m/s0
01:00Weather
Clear
22 °C0% 0%55%764 mm HgSSW 201° 3 (6.31) m/s0
02:00Weather
Clear
21 °C0% 0%57%764 mm HgSSW 208° 3.19 (6.72) m/s0
03:00Weather
Clear
20 °C0% 0%60%764 mm HgSW 215° 2.89 (6.08) m/s0
04:00Weather
Clear
19 °C0% 0%64%764 mm HgSW 214° 2.61 (5.47) m/s0
05:00Weather
Clear
18 °C0% 0%72%764 mm HgSW 219° 2.31 (4.83) m/s0
06:00Weather
Sunny
19 °C0% 0%64%765 mm HgWSW 252° 1.81 (3.78) m/s0
07:00Weather
Sunny
21 °C0% 0%62%765 mm HgSW 216° 2.11 (4.42) m/s0.2
08:00Weather
Sunny
24 °C0% 0%49%766 mm HgWSW 238° 2.19 (3.5) m/s0.8
09:00Weather
Sunny
26 °C0% 0%44%766 mm HgWSW 237° 2.11 (2.58) m/s2.2
10:00Weather
Sunny
30 °C0% 0%40%766 mm HgSW 217° 1.81 (2.08) m/s4.1
11:00Weather
Sunny
33 °C0% 0%37%766 mm HgSSW 204° 1.89 (2.19) m/s6.2
12:00Weather
Sunny
35 °C0% 0%34%765 mm HgSSW 200° 2.11 (2.42) m/s8
13:00Weather
Sunny
36 °C0% 0%30%765 mm HgSSW 208° 2.11 (2.42) m/s8.7
14:00Weather
Sunny
37 °C0% 0%27%764 mm HgSW 219° 2.5 (2.89) m/s8.3
15:00Weather
Sunny
37 °C0% 5%26%764 mm HgSW 225° 2.61 (3) m/s6.5
16:00Weather
Sunny
37 °C0% 5%24%764 mm HgSW 221° 3.19 (3.67) m/s4.8
17:00Weather
Sunny
35 °C0% 0%22%764 mm HgSW 230° 3.5 (4.22) m/s2.8
18:00Weather
Sunny
31 °C0% 20%36%764 mm HgSW 226° 2.81 (4) m/s1.2
19:00Weather
Sunny
27 °C0% 23%54%764 mm HgENE 75° 0.89 (1.86) m/s0.4
20:00Weather
Sunny
25 °C0% 18%69%765 mm HgENE 72° 2.81 (5.78) m/s0
21:00Weather
Clear
23 °C0% 16%76%765 mm HgESE 117° 2.19 (4.61) m/s0
22:00Weather
Clear
22 °C0% 12%78%766 mm HgSSE 157° 1.89 (4) m/s0
23:00Weather
Clear
22 °C0% 16%79%766 mm HgSSE 168° 1.69 (3.58) m/s0
Sun, May 17, 2026

Frequently asked questions about the weather in Petersburg

Today in Petersburg the temperature ranges from 18 °C to 37 °C, wind up to 3.5 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Petersburg today is 0%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Petersburg today reaches up to 3.5 m/s with gusts up to 6.72 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Petersburg today ranges from 22% to 79%. View the humidity chart above for hourly details.

The UV index in Petersburg today reaches up to 8.7. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Petersburg today ranges from 764 to 766 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Petersburg today reaches up to 23%. Check the cloud cover chart above for hourly details throughout the day.

Petersburg on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.