Onward Weather Forecast
- 16
- 22
Increasing Clouds
- 19
- 36
Chance Snow
- 3
- 24
Partly Sunny
- -1
- 7
Cold
- 2
- 10
Chance Snow Showers
- 3
- 17
Partly Sunny
Today 20 Jan Cass
Sunny. Highs in the lower 20s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 4 below early.
Tonight 20 Jan Cass
Partly cloudy in the Evening, then cloudy with a slight chance of snow after midnight. Cold with Lows around 16. Temperature rising into the mid 20s after midnight. South Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of snow 20 percent.
Onward Temperature Statistics
January Temperature
Grissom Air Force Base / Peru (3.7 miles)
Lowest 18 January, 2026
11.7 °FAverage January
32 °FHighest 9 January, 2026
62.4 °F
Climate (2021–Present)
Grissom Air Force Base / Peru (3.7 miles)
Average Low 2021–2026
43.8 °FAverage 2021–2026
53 °FAverage High 2021–2026
62.2 °F