McHenry Weather Forecast
- 65
- 76
Rain Showers
- 67
- 81
Rain Showers Likely
- 59
- 77
Rain Showers Likely
- 57
- 77
Slight Chance Rain Showers
- 63
- 79
Chance Rain Showers
- 67
- 83
Chance Thunderstorms
Today 18 Jul Western Garrett
Numerous Showers. Scattered Thunderstorms. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the upper 70s. South Winds around 5 Mph, becoming west this afternoon. Chance of rain 70 percent.
Tonight 18 Jul Western Garrett
Mostly cloudy. Scattered Showers and Thunderstorms in the Evening, then isolated Showers after midnight. Patchy fog after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows in the mid 60s. Southwest Winds around 5 Mph. Chance of rain 50 percent.
McHenry Temperature Statistics
July Temperature
Garrett County Airport (1.2 miles)
Lowest 2 July, 2025
60.8 °FAverage July
71.6 °FHighest 12 July, 2025
86 °F
Climate (2020–Present)
Garrett County Airport (1.2 miles)
Average Low 2020–2025
41.8 °FAverage 2020–2025
48.6 °FAverage High 2020–2025
56.4 °F