Cornwall Weather Forecast
- 70
- 93
Mostly Sunny
- 70
- 90
Chance Thunderstorms
- 65
- 87
Chance Thunderstorms
- 63
- 85
Mostly Sunny
- 68
- 89
Mostly Sunny
- 67
- 91
Slight Chance Thunderstorms
Today 12 Aug Orange
Sunny. Highs around 90. Southwest Winds around 5 Mph.
Tonight 12 Aug Orange
Mostly clear. Patchy fog after midnight. Lows in the upper 60s. Southwest Winds around 5 Mph.
Cornwall Temperature Statistics
August Temperature
Newburgh / Stewart (5.6 miles)
Lowest 3 August, 2025
53.6 °FAverage August
70.5 °FHighest 10 August, 2025
87.8 °F
Climate (2020–Present)
Newburgh / Stewart (5.6 miles)
Average Low 2020–2025
43.8 °FAverage 2020–2025
52.7 °FAverage High 2020–2025
61.5 °F