7-Day Forecast 40.65°N 86.14°W (Text-Only)
NWS Forecast for: Grissom Air Force Base / Peru IN
Issued by: National Weather Service Northern Indiana
Last Update: 6:48 pm EDT Jul 3, 2025




Tonight: Mostly clear, with a low around 69. West wind around 5 mph becoming calm in the evening.

Independence Day: Mostly sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the morning.

Friday Night: Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm.

Saturday: Sunny and hot, with a high near 92. Southwest wind 5 to 10 mph.

Saturday Night: Mostly clear, with a low around 72. South wind around 5 mph.

Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 90.

Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 69.

Monday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Monday Night: Mostly clear, with a low around 66.

Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 86.



Grissom Air Force Base / Peru IN
 40.65°N 86.14°W (Elev. 804 ft)

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