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Evansville, WY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Evansville, a town in Natrona County, Wyoming.

This Afternoon
72°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 72. West wind around 8 mph. Chance of precipitation is 20%.

7-day forecast for Evansville

WhenTempForecastWindPrecip
This Afternoon 72°F Slight Chance Showers And Thunderstorms 8 mph W 24%
Tonight 44°F Chance Showers And Thunderstorms 7 mph NW 71%
Sunday 63°F Chance Showers And Thunderstorms 8 to 13 mph WNW 67%
Sunday Night 40°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 1 to 7 mph NW 14%
Monday 69°F Mostly Sunny 1 to 5 mph WSW 0%
Monday Night 40°F Mostly Clear 3 to 9 mph SE 0%
Tuesday 77°F Sunny 2 to 7 mph SSW 1%
Tuesday Night 47°F Slight Chance Showers And Thunderstorms then Partly Cloudy 6 mph SSE 13%
Wednesday 78°F Mostly Sunny 12 to 18 mph SW 7%
Wednesday Night 46°F Mostly Clear 7 mph WSW 3%
Thursday 80°F Sunny 9 mph WSW 2%
Thursday Night 48°F Mostly Clear 6 mph E 2%
Friday 81°F Mostly Sunny 5 to 9 mph SSW 3%
Friday Night 50°F Partly Cloudy then Slight Chance Rain Showers 8 to 12 mph SSW 15%

Forecast source: National Weather Service (api.weather.gov) for Evansville (42.876, -106.268). Updated through the day.

Growing snapshot for Evansville

Last spring frost
May 10
First fall frost
Sep 29
Growing season
138 days
Hardiness zone
5a

More local growing data for Evansville: nearby ZIP 82644 weather · frost dates · planting calendar · Wyoming frost dates

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Climate data from the nearest NOAA station, Casper Wwtp, Wy (4.3 mi from Evansville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.