White Haven, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for White Haven, a community in Lincoln County, Montana.
Today
87°F
Mostly Sunny
Mostly sunny, with a high near 87. Northwest wind around 2 mph.
7-day forecast for White Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny | 2 mph NW | 0% |
| Tonight | 45°F | Mostly Clear | 2 mph NW | 0% |
| Wednesday | 93°F | Sunny then Patchy Smoke | 2 mph NW | 0% |
| Wednesday Night | 48°F | Patchy Smoke then Mostly Clear | 2 mph WSW | 0% |
| Thursday | 99°F | Sunny | 0 to 3 mph WSW | 0% |
| Thursday Night | 52°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Friday | 99°F | Sunny | 0 to 5 mph W | 0% |
| Friday Night | 52°F | Mostly Clear | 1 to 6 mph SW | 0% |
| Saturday | 96°F | Sunny | 0 to 6 mph W | 0% |
| Saturday Night | 50°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Sunday | 93°F | Sunny | 0 to 3 mph W | 0% |
| Sunday Night | 49°F | Mostly Clear | 0 to 3 mph WNW | 0% |
| Monday | 92°F | Sunny | 2 mph NW | 0% |
| Monday Night | 48°F | Mostly Clear | 2 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for White Haven (48.348, -115.516). Updated through the day.
Growing snapshot for White Haven
Last spring frost
May 11
First fall frost
Oct 1
Growing season
142 days
Hardiness zone
6a
More local growing data for White Haven: nearby ZIP 59923 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Eureka
Fortine
Happys Inn
Indian Springs
Libby
Pioneer Junction
Rexford
Stryker
Sylvanite
Trego
Troy
West Kootenai
Yaak
Climate data from the nearest NOAA station, Libby Dam (Base), Mt (9.6 mi from White Haven). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.