Dewey Weather Forecast
- 71
- 84
Chance Thunderstorms
- 72
- 88
Chance Thunderstorms
- 75
- 90
Slight Chance Thunderstorms
- 71
- 91
Slight Chance Thunderstorms
- 64
- 83
Slight Chance Thunderstorms
- 66
- 82
Partly Sunny
Today 13 Aug Vigo
Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms through early Afternoon, then a chance of Thunderstorms late in the afternoon. Some Thunderstorms may produce heavy rainfall through early afternoon. Some Thunderstorms may produce heavy rainfall late in the afternoon. Humid with Highs in the mid 80s. East Winds around 5 Mph. Chance of rain 50 percent.
Tonight 13 Aug Vigo
Mostly cloudy with scattered Showers with a slight chance of Thunderstorms. Patchy fog toward daybreak. Some Thunderstorms may produce heavy rainfall. Near steady temperature around 70. Light and variable Winds, becoming southeast around 5 Mph toward daybreak. Chance of rain 50 percent.
Dewey Temperature Statistics
August Temperature
Terre Haute Regional Airport (5 miles)
Lowest 5 August, 2026
60.1 °FAverage August
75 °FHighest 10 August, 2026
89.1 °F
Climate (2021–2026)
Terre Haute Regional Airport (5 miles)
Average Low 2021–2026
45.9 °FAverage 2021–2026
55.8 °FAverage High 2021–2026
65.7 °F