Hamer, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamer, a city in Jefferson County, Idaho.
This Afternoon
70°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 66 in the afternoon. South wind around 7 mph. Chance of precipitation is 80%.
7-day forecast for Hamer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Showers And Thunderstorms | 7 mph S | 79% |
| Tonight | 44°F | Showers And Thunderstorms | 3 to 8 mph SE | 78% |
| Saturday | 62°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 6 mph S | 58% |
| Saturday Night | 42°F | Mostly Cloudy | 3 mph ESE | 12% |
| Sunday | 68°F | Mostly Sunny | 3 mph S | 0% |
| Sunday Night | 42°F | Mostly Clear | 3 mph E | 0% |
| Monday | 75°F | Sunny | 3 mph E | 0% |
| Monday Night | 44°F | Mostly Clear | 5 mph ENE | 0% |
| Tuesday | 75°F | Mostly Sunny | 3 mph E | 0% |
| Tuesday Night | 44°F | Partly Cloudy | 3 mph E | 5% |
| Wednesday | 76°F | Sunny | 6 mph SE | 2% |
| Wednesday Night | 44°F | Mostly Clear | 5 mph E | 3% |
| Thursday | 77°F | Sunny | 5 mph E | 1% |
| Thursday Night | 45°F | Partly Cloudy | 5 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Hamer (43.927, -112.206). Updated through the day.
Growing snapshot for Hamer
Last spring frost
Jun 3
First fall frost
Sep 11
Growing season
98 days
Hardiness zone
5a
More local growing data for Hamer: nearby ZIP 83425 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hamer 4 Nw, Id (3.1 mi from Hamer). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.