Marissa Weather Forecast
- 78
- 97
Hot
- 69
- 92
Mostly Sunny
- 66
- 87
Mostly Sunny
- 68
- 88
Partly Sunny
- 68
- 84
Slight Chance Thunderstorms
- 67
- 83
Slight Chance Thunderstorms
Today 27 Jul St. Clair
Sunny, hot with Highs in the mid 90s. South Winds 5 to 10 Mph. Heat index Values up to 113.
Tonight 27 Jul St. Clair
Partly cloudy. Near steady temperature around 80. South Winds around 5 Mph.
Marissa Temperature Statistics
July Temperature
Sparta Community-Hunter Field Airport (7.5 miles)
Lowest 3 July, 2026
78.8 °FAverage July
78.8 °FHighest 3 July, 2026
78.8 °F
Climate (2021–2026)
Sparta Community-Hunter Field Airport (7.5 miles)
Average Low 2021–2026
48.4 °FAverage 2021–2026
57.7 °FAverage High 2021–2026
67.2 °F