Great Falls Weather Forecast
- 63
- 75
Rain Showers
- 63
- 80
Chance Thunderstorms
- 64
- 81
Rain Showers Likely
- 66
- 86
Partly Sunny
- 68
- 91
Partly Sunny
- 68
- 91
Chance Rain Showers
Today 4 May Chester
Widespread Showers and scattered Thunderstorms. Highs in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 80 percent.
Tonight 4 May Chester
Widespread Showers and scattered Thunderstorms this Evening, then widespread Showers with isolated Thunderstorms after midnight. Patchy fog. Lows in the lower 60s. East Winds around 5 Mph. Chance of rain 80 percent.
Great Falls Temperature Statistics
May Temperature
Lancaster County-mc Whirter Field (10.6 miles)
Lowest 2 May, 2024
55.4 °FAverage May
71.4 °FHighest 2 May, 2024
87.8 °F
Climate (2019–Present)
Lancaster County-mc Whirter Field (10.6 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
52.1 °FAverage 2019–2024
62.4 °FAverage High 2019–2024
73.8 °F