10-Day Weather Forecast - Petersburg, IL
- 29|26°FSunnyHourly details
Today
29°FSunny. Much cooler with highs in the lower 30s. West winds 10 to 15 mph with gusts up to 25 mph becoming southwest 5 to 10 mph this afternoon.
Tonight
26°FMostly clear in the evening then becoming mostly cloudy. Lows in the mid 20s. Temperature rising into the lower 30s after midnight. South winds 10 to 15 mph with gusts up to 30 mph.
Weekend Weather
- 45|26°FPartly SunnyHourly details
Day
45°FPartly sunny. Not as cool with highs in the upper 40s. Temperature falling to around 40 in the afternoon. South winds around 15 mph becoming northwest in the afternoon. Gusts up to 30 mph.
Night
26°FPartly cloudy in the evening then clearing. Lows in the lower 20s. Northwest winds 5 to 10 mph.
- 36|29°FSunnyHourly details
Day
36°FSunny cooler with highs in the mid 30s. North winds around 5 mph.
Night
29°FMostly cloudy. Lows in the mid 20s. Highs in the lower 40s.
- 42|39°FMostly CloudyHourly details
Day
42°FMostly cloudy. Lows in the mid 20s. Highs in the lower 40s.
Night
39°FMostly cloudy. Lows in the mid 30s. Highs in the mid 50s.
- 52|42°FMostly CloudyHourly details
Day
52°FMostly cloudy. Lows in the mid 30s. Highs in the mid 50s.
Night
42°FMostly cloudy. Lows in the lower 40s. Highs in the upper 50s.
- 57|55°FMostly CloudyHourly details
Day
57°FMostly cloudy. Lows in the lower 40s. Highs in the upper 50s.
Night
55°FMostly cloudy. Lows in the lower 50s. Highs in the mid 60s.
- 65|45°FMostly Cloudy
Day
65°FMostly cloudy. Lows in the lower 50s. Highs in the mid 60s.
Night
45°FMostly clear. Low temperature around 45F. Dew point will be around 46F with an average humidity of 80%. Winds will be 8 mph from the SW.
- 54|44°FPartly Cloudy
Day
54°FPartly cloudy. High temperature around 54F. Dew point will be around 41F with an average humidity of 73%. Winds will be 2 mph from the S.
Night
44°FPartly cloudy. Low temperature around 44F. Dew point will be around 42F with an average humidity of 84%. Winds will be 3 mph from the S.
Weekend Weather
- 51|39°FMostly Cloudy
Day
51°FMostly cloudy. High temperature around 51F. Dew point will be around 41F with an average humidity of 75%. Winds will be 1 mph from the W.
Night
39°FMostly cloudy. Low temperature around 39F. Dew point will be around 37F with an average humidity of 78%. Winds will be 3 mph from the NW.
- 44|30°FPartly Cloudy
Day
44°FPartly cloudy. High temperature around 44F. Dew point will be around 33F with an average humidity of 71%. Winds will be 4 mph from the NW.
Night
30°FMostly clear. Low temperature around 30F. Dew point will be around 27F with an average humidity of 74%. Winds will be 5 mph from the NW.














