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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.