Richfield, ID Weather & Growing Conditions
Tonight
33°F
Mostly Cloudy then Patchy Fog
Patchy fog after 3am. Mostly cloudy. Low around 33, with temperatures rising to around 36 overnight. North wind 5 to 12 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Mostly Cloudy then Patchy Fog | 5 to 12 mph N | 2% |
| Wednesday | 50°F | Areas Of Fog then Mostly Sunny | 3 to 9 mph W | 2% |
| Wednesday Night | 28°F | Partly Cloudy then Areas Of Fog | 1 to 5 mph N | 0% |
| Thursday | 49°F | Areas Of Fog then Partly Sunny | 3 to 8 mph E | 1% |
| Thursday Night | 27°F | Areas Of Fog | 2 to 8 mph WNW | 0% |
| Friday | 48°F | Mostly Sunny | 5 mph NE | 1% |
| Friday Night | 29°F | Partly Cloudy | 2 to 6 mph N | 1% |
| Saturday | 52°F | Sunny | 6 to 9 mph ENE | 0% |
| Saturday Night | 33°F | Mostly Clear | 6 to 12 mph ENE | 0% |
| Sunday | 56°F | Mostly Sunny | 3 to 10 mph E | 0% |
| Sunday Night | 34°F | Partly Cloudy | 3 to 7 mph NE | 0% |
| Monday | 57°F | Mostly Sunny | 3 to 9 mph ENE | 0% |
| Monday Night | 34°F | Partly Cloudy | 6 mph NNE | 3% |
| Tuesday | 56°F | Mostly Sunny | 5 mph WSW | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Richfield, ID
Last spring frost
May 24
First fall frost
Sep 26
Growing season
123 days
Hardiness zone
6a
Explore more for Richfield, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Richfield, Id (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.