Richfield, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Richfield, a city in Lincoln County, Idaho.
Today
85°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 85. South southwest wind 3 to 16 mph, with gusts as high as 26 mph.
7-day forecast for Richfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Areas Of Smoke | 3 to 16 mph SSW | 0% |
| Tonight | 50°F | Areas Of Smoke | 3 to 17 mph WNW | 0% |
| Wednesday | 91°F | Areas Of Smoke | 3 to 13 mph SW | 0% |
| Wednesday Night | 54°F | Mostly Clear | 6 to 15 mph NW | 0% |
| Thursday | 98°F | Sunny | 5 to 13 mph NW | 0% |
| Thursday Night | 60°F | Clear | 6 to 15 mph NW | 0% |
| Friday | 100°F | Sunny | 6 to 12 mph NW | 0% |
| Friday Night | 61°F | Mostly Clear | 6 to 18 mph NW | 0% |
| Saturday | 99°F | Sunny | 5 to 13 mph W | 0% |
| Saturday Night | 62°F | Mostly Clear | 5 to 16 mph NW | 0% |
| Sunday | 96°F | Sunny | 5 to 16 mph WSW | 0% |
| Sunday Night | 60°F | Mostly Clear | 5 to 18 mph WNW | 0% |
| Monday | 94°F | Sunny | 5 to 15 mph WSW | 1% |
| Monday Night | 59°F | Mostly Clear | 5 to 17 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Richfield (43.052, -114.156). Updated through the day.
Growing snapshot for Richfield
Last spring frost
May 24
First fall frost
Sep 26
Growing season
123 days
Hardiness zone
6a
More local growing data for Richfield: nearby ZIP 83349 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Richfield, Id (4.6 mi from Richfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.