Petersburg Weather Forecast
- 68
- 88
Slight Chance Thunderstorms
- 69
- 87
Chance Thunderstorms
- 70
- 90
Chance Thunderstorms
- 65
- 85
Chance Thunderstorms
- 66
- 84
Slight Chance Thunderstorms
- 69
- 87
Chance Thunderstorms
Today 9 Jul Menard
Mostly sunny. Areas of fog this morning. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Northwest Winds around 5 Mph. Chance of rain 20 percent.
Tonight 9 Jul Menard
Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 60s. Northwest Winds around 5 Mph, becoming south after midnight.
Petersburg Temperature Statistics
July Temperature
Springfield - Abraham Lincoln Capital Airport (14.3 miles)
Lowest 2 July, 2025
62.1 °FAverage July
78.2 °FHighest 3 July, 2025
90 °F
Climate (2020–Present)
Springfield - Abraham Lincoln Capital Airport (14.3 miles)
Average Low 2020–2025
44.8 °FAverage 2020–2025
55 °FAverage High 2020–2025
64.9 °F