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 Current Petersburg Weather Conditions |
Updated May 18th at 11:49 am |
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| light rain mist |
| Temperature: | 48°F |
Dew Point: | 48°F |
| Barometer: | 30.09 inHg |
Wind: | 6 Mph |
| Humidity: | 100.0% |
Visibility: | 0M |
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| Petersburg Weather Forecast Summary |
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Today
May 18th
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Tuesday
May 19th
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Wednesday
May 20th
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Thursday
May 21st
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Friday
May 22nd
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Mix of rain and snow |
Mostly Cloudy |
Mix of rain and snow |
Mix of rain and snow |
Mostly Cloudy |
34°F
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35°F
31°F |
35°F
32°F |
38°F
34°F |
34°F
30°F |
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| Petersburg Detailed Weather Forecast |
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| Monday, May 18th, 2026 |
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Afternoon |
Temperature: 34°F |
| Cloudy with flurries or showers likely. Risk of freezing rain. |
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Evening |
Temperature: 33°F |
| Mostly cloudy 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 |
| A mix of cloudy and clear skies with a chance of flurries or showers. |
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Morning |
Temperature: 33°F |
| Cloudy with sunny periods with a chance of flurries or showers. |
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Afternoon |
Temperature: 35°F |
| Mostly cloudy with a slight chance of flurries or showers. Risk of freezing rain. |
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Evening |
Temperature: 34°F |
| A mix of cloudy and clear skies with a slight chance of flurries or showers. Risk of freezing rain. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 33°F |
| Mostly cloudy. |
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Morning |
Temperature: 34°F |
| Cloudy. |
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Afternoon |
Temperature: 35°F |
| Cloudy with flurries or showers likely. Risk of freezing rain. |
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Evening |
Temperature: 35°F |
| Cloudy with a few flurries or showers. Risk of freezing rain. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 35°F |
| Mostly cloudy with flurries or showers likely. Risk of freezing rain. |
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Morning |
Temperature: 35°F |
| Cloudy with sunny periods with a chance of showers. Showers possibly mixed with wet flurries. |
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Afternoon |
Temperature: 37°F |
| Mostly cloudy with a chance of showers. Showers possibly mixed with wet flurries. |
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Evening |
Temperature: 36°F |
| Cloudy with clear periods with a chance of showers. Showers possibly mixed with wet flurries. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 33°F |
| Mostly cloudy with a chance of flurries or showers. Risk of freezing rain. |
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Morning |
Temperature: 33°F |
| Cloudy with sunny periods with a chance of flurries or showers. |
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Afternoon |
Temperature: 34°F |
| Cloudy with sunny periods with a chance of flurries or showers. |
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Evening |
Temperature: 32°F |
| A mix of cloudy and clear skies with a chance of flurries or showers. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 28°F |
| Cloudy with clear periods with a chance of flurries. |
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Morning |
Temperature: 29°F |
| Cloudy with sunny periods with a chance of flurries. |
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Afternoon |
Temperature: 32°F |
| Cloudy with sunny periods with a chance of flurries or showers. |
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Evening |
Temperature: 31°F |
| Mostly cloudy with a chance of flurries or showers. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 26°F |
| Cloudy with a slight chance of flurries. |
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Morning |
Temperature: 30°F |
| Cloudy with a slight chance of flurries. |
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Afternoon |
Temperature: 33°F |
| Cloudy with flurries or showers likely. |
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Evening |
Temperature: 31°F |
| Mostly cloudy with flurries or showers likely. |
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| Monday, May 25th, 2026 |
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Overnight |
Temperature: 29°F |
| A mix of cloudy and clear skies with a chance of flurries. |
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Morning |
Temperature: 32°F |
| Mostly cloudy. |
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Afternoon |
Temperature: 36°F |
| A mix of cloud and sun with a slight chance of showers or wet flurries. |
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Evening |
Temperature: 35°F |
| Cloudy with clear periods with a chance of flurries or showers. Risk of freezing rain. |
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| Tuesday, May 26th, 2026 |
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Overnight |
Temperature: 33°F |
| A mix of cloudy and clear skies with a chance of flurries or showers. |
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Morning |
Temperature: 32°F |
| A mix of sun and cloud. |
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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: 33°F |
| A mix of clear and cloudy skies with a slight chance of showers or wet flurries. |
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