Illinois · county areal climate 1951–2025

Will County, IL

A 51.0°F / 38.5" normal · 2025 ran +0.5°F vs normal.
2026 so far · through Jul 9: This area is running +1.7°F (48.6°F) vs the 1996–2025 to-date normal — the 9th warmest start of 76 years. Precipitation 120% of normal. U.S. year-to-date →

Normal (1996–2025)

51.0°F
annual mean · 38.5" precipitation

2025 vs Normal

+0.5°F
51.5°F · 30.5" (79% of normal)

Warmest Year

54.1°F
2012 · coldest 47.1°F (2014)

Wettest Year

50.4in
2019 · driest 23.8" (1963)

Hottest Day

102.4°F
Jul 14 · 1995

Coldest Day

-24.1°F
Jan 20 · 1985

Biggest Rain Day

5.72in
Jul 13 · 1957

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

24°
J
28°
F
39°
M
50°
A
61°
M
71°
J
74°
J
72°
A
66°
S
54°
O
41°
N
30°
D
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the station records.

Nearby

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