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Forrest, IL Climate
1991 to 2020 normals at Piper City, 12 mi from the center of Forrest, elevation 670 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 35° | 16° | 3.40 in | 8.6 in | |
| February | 40° | 19° | 2.75 in | 4.4 in | |
| March | 52° | 28° | 2.97 in | 3.3 in | |
| April | 65° | 38° | 4.02 in | 0.9 in | |
| May | 76° | 49° | 4.91 in | 0.0 in | |
| June | 85° | 60° | 4.53 in | 0.0 in | |
| July | 88° | 63° | 4.90 in | 0.0 in | |
| August | 85° | 60° | 4.14 in | 0.0 in | |
| September | 80° | 52° | 2.86 in | 0.0 in | |
| October | 68° | 42° | 3.68 in | 0.0 in | |
| November | 53° | 31° | 3.22 in | 1.3 in | |
| December | 40° | 22° | 3.01 in | 6.2 in | |
| Year | 64° | 44.39 in | 24.7 in |
Frequently asked questions
- What is the hottest month in Forrest, IL?
- July is the warmest month, with a normal high of 88°F at Piper City.
- What is the coldest month in Forrest, IL?
- January is the coldest month, with a normal low of 16°F.
- What is the wettest month in Forrest, IL?
- May has the most precipitation on average, about 4.91 inches.