Evanston, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Evanston, a city in Rich County, Wyoming.
Overnight
41°F
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms. Mostly cloudy. Low around 41, with temperatures rising to around 43 overnight. South southwest wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Evanston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Isolated Showers And Thunderstorms | 3 mph SSW | 17% |
| Saturday | 61°F | Isolated Rain Showers then Isolated Showers And Thunderstorms | 3 to 13 mph WSW | 23% |
| Saturday Night | 31°F | Partly Cloudy | 2 to 12 mph SW | 6% |
| Sunday | 64°F | Sunny | 2 to 8 mph WSW | 0% |
| Sunday Night | 32°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Monday | 69°F | Sunny | 5 mph SSW | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 mph S | 4% |
| Tuesday | 67°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 52% |
| Tuesday Night | 37°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph S | 42% |
| Wednesday | 69°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph SW | 11% |
| Wednesday Night | 36°F | Mostly Clear | 5 mph SSW | 1% |
| Thursday | 72°F | Sunny | 2 to 6 mph SSW | 3% |
| Thursday Night | 39°F | Partly Cloudy | 3 to 7 mph SSE | 1% |
| Friday | 72°F | Mostly Sunny | 3 to 8 mph SSW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Evanston (41.260, -110.964). Updated through the day.
Growing snapshot for Evanston
Growing season
59 days
Hardiness zone
5a
More local growing data for Evanston: nearby ZIP 84086 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Woodruff, Ut (7.9 mi from Evanston). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.