Petersburg Weather Forecast
- 65
- 90
Mostly Sunny
- 68
- 93
Mostly Sunny
- 70
- 95
Chance Thunderstorms
- 70
- 93
Rain Showers Likely
- 69
- 91
Rain Showers Likely
- 67
- 93
Chance Thunderstorms
Today 23 Jul Eastern Grant
Patchy fog this morning. Mostly sunny. Highs in the mid 80s. South Winds 5 to 10 Mph.
Tonight 23 Jul Eastern Grant
Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 60s. South Winds around 5 Mph.
Petersburg Temperature Statistics
July Temperature
Petersburg, Grant County Airport (0.6 miles)
Lowest 6 July, 2025
60.1 °FAverage July
75.9 °FHighest 7 July, 2025
92.1 °F
Climate (2020–Present)
Petersburg, Grant County Airport (0.6 miles)
Average Low 2020–2025
44.3 °FAverage 2020–2025
55.4 °FAverage High 2020–2025
67.6 °F