What is today's weather forecast for Grissom Afb, IN?

Today's forecast for Grissom Afb shows a low of 42 degrees Fahrenheit. Mostly cloudy, with a steady temperature around 42.

What is the 7-day weather forecast for Grissom Afb, IN?

The 7-day forecast for Grissom Afb shows highs from 25 to 51 degrees and lows from 15 to 42 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Grissom Afb, IN this week?

Yes, rain is possible in Grissom Afb this week. Precipitation chances: Thursday (100% chance), Wednesday (50% chance).

How accurate is the Grissom Afb weather forecast?

WeatherForYou provides highly accurate Grissom Afb forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Grissom Afb, IN Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

39°F
Feels Like 36°F

Humidity 85% Dew Point 35°F Wind SE 4 MPH Gusts 10 Barometer 29.85 in.

Report from a MADIS/MESONET weather station 8.3 mi. NE of central Grissom Afb
at 3:00 AM Thu, Dec 18, 2025

Point Forecast at a Glance

WedDec 17

ThuDec 18

100%

FriDec 19

SatDec 20

SunDec 21

MonDec 22

TueDec 23

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures drop from 51°F to a low of 25°F, then recover to 46°F by week's end. Mostly dry conditions with only one day showing rain chances.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 38°F and lows around 23°F.

This Date in Weather History

1957 - A tornado swept across Jackson County, Williamson County and Franklin County in southern Illinois killing eleven persons.

Grissom Afb, IN 7 Day Weather Forecast Details

Wednesday Dec 17

Night: Mostly cloudy, with a steady temperature around 42. South wind around 15 mph, with gusts as high as 25 mph.

Thursday Dec 18

Day: Showers, mainly after 8am. High near 51. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Night: Rain showers before 11pm, then a chance of snow showers between 11pm and 4am. Low around 15. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday Dec 19

Day: Partly sunny, with a high near 25. Breezy, with a west wind 15 to 25 mph, with gusts as high as 30 mph.

Night: Partly cloudy, with a low around 21. Southwest wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

Saturday Dec 20

Day: Mostly cloudy, with a high near 42.

Night: Partly cloudy, with a low around 21.

Sunday Dec 21

Day: Sunny, with a high near 29.

Night: Partly cloudy, with a low around 18.

Monday Dec 22

Day: Mostly cloudy, with a high near 37.

Night: Mostly cloudy, with a low around 32.

Tuesday Dec 23

Day: Mostly cloudy, with a high near 46.

Night: Mostly cloudy, with a low around 33.

Wednesday Dec 24

Day: A slight chance of rain. Mostly cloudy, with a high near 47.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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