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 Current Petersburg Weather Conditions |
Updated May 16th at 9:56 am |
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| Overcast |
| Temperature: | 46°F |
Dew Point: | 45°F |
| Barometer: | 30.15 inHg |
Wind: | N 13 Mph |
| Humidity: | 93.4% |
Visibility: | 0M |
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| Petersburg Weather Forecast Summary |
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Today
May 16th
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Sunday
May 17th
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Monday
May 18th
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Tuesday
May 19th
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Wednesday
May 20th
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Mix of Cloud and Sun |
Mostly Cloudy |
Mix of rain and snow |
Mostly Cloudy |
Mix of rain and snow |
37°F
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37°F
28°F |
34°F
32°F |
34°F
30°F |
34°F
31°F |
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| Petersburg Detailed Weather Forecast |
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| Saturday, May 16th, 2026 |
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Afternoon |
Temperature: 37°F |
| A mix of cloud and sun with a slight chance of showers. Showers possibly mixed with wet flurries. |
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Evening |
Temperature: 35°F |
| Clear with cloudy periods. |
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| Sunday, May 17th, 2026 |
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Overnight |
Temperature: 28°F |
| Mostly clear. |
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Morning |
Temperature: 34°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 37°F |
| Cloudy. |
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Evening |
Temperature: 33°F |
| Cloudy with a chance of flurries or showers. |
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| Monday, May 18th, 2026 |
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Overnight |
Temperature: 32°F |
| Cloudy with a few flurries or showers. |
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Morning |
Temperature: 32°F |
| Cloudy with a few flurries or showers. |
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Afternoon |
Temperature: 33°F |
| Cloudy with sunny periods with a chance of flurries or showers. |
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Evening |
Temperature: 33°F |
| A mix of cloudy and clear skies with a chance of flurries or showers. Risk of freezing rain. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 32°F |
| Mostly cloudy with a chance of flurries or showers. |
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Morning |
Temperature: 32°F |
| Cloudy with a slight chance of flurries or showers. |
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Afternoon |
Temperature: 34°F |
| Cloudy. |
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Evening |
Temperature: 32°F |
| Mostly cloudy. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 31°F |
| Cloudy with a chance of flurries. |
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Morning |
Temperature: 33°F |
| Mostly cloudy with a chance of flurries or showers. |
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Afternoon |
Temperature: 32°F |
| Cloudy with sunny periods with flurries or showers likely. |
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Evening |
Temperature: 31°F |
| Mostly cloudy with flurries likely. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 31°F |
| A mix of cloudy and clear skies with flurries likely. |
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Morning |
Temperature: 30°F |
| Cloudy with a chance of flurries. |
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Afternoon |
Temperature: 33°F |
| A mix of cloud and sun with a slight chance of flurries or showers. |
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Evening |
Temperature: 32°F |
| Mostly cloudy with a chance of flurries or showers. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 30°F |
| Cloudy with a slight chance of flurries. |
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Morning |
Temperature: 30°F |
| Cloudy with a chance of flurries. |
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Afternoon |
Temperature: 32°F |
| Cloudy with flurries or showers likely. |
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Evening |
Temperature: 31°F |
| Cloudy with clear periods with flurries likely. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 28°F |
| Mostly cloudy with a chance of flurries. |
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Morning |
Temperature: 29°F |
| Cloudy with flurries likely. |
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Afternoon |
Temperature: 31°F |
| Mostly cloudy with flurries likely. Slight chance of a thunderstorm. |
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Evening |
Temperature: 30°F |
| Cloudy with clear periods with a chance of flurries. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 27°F |
| Cloudy with clear periods with a chance of flurries. |
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Morning |
Temperature: 30°F |
| A mix of cloud and sun with a slight chance of flurries or showers. |
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Afternoon |
Temperature: 34°F |
| Cloudy. |
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Evening |
Temperature: 32°F |
| Mostly cloudy. |
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