Mammoth Lakes, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mammoth Lakes, a town in Mono County, California.
Today
84°F
Patchy Smoke then Sunny
Patchy smoke before 9am. Sunny, with a high near 84. Southwest wind 0 to 10 mph, with gusts as high as 30 mph.
7-day forecast for Mammoth Lakes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Smoke then Sunny | 0 to 10 mph SW | 0% |
| Tonight | 57°F | Clear | 0 to 10 mph SW | 0% |
| Wednesday | 83°F | Sunny | 0 to 15 mph SW | 0% |
| Wednesday Night | 58°F | Clear | 0 to 15 mph SW | 0% |
| Thursday | 84°F | Sunny | 0 to 15 mph SW | 1% |
| Thursday Night | 59°F | Mostly Clear | 0 to 15 mph SW | 0% |
| Friday | 83°F | Sunny | 0 to 10 mph W | 3% |
| Friday Night | 60°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Saturday | 83°F | Sunny | 0 to 10 mph SW | 5% |
| Saturday Night | 60°F | Mostly Clear | 5 to 10 mph SW | 1% |
| Sunday | 81°F | Sunny | 5 to 15 mph SW | 6% |
| Sunday Night | 58°F | Mostly Clear | 10 to 15 mph SW | 2% |
| Monday | 78°F | Sunny | 10 to 15 mph SW | 9% |
| Monday Night | 54°F | Mostly Clear | 5 to 15 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Mammoth Lakes (37.624, -118.988). Updated through the day.
Growing snapshot for Mammoth Lakes
Last spring frost
Jun 10
First fall frost
Sep 17
Growing season
98 days
Hardiness zone
6a
More local growing data for Mammoth Lakes: nearby ZIP 93546 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Aspen Springs
Benton
Bishop
Bridgeport
Chalfant
Coleville
Crowley Lake
Dixon Lane-MeadowCreek
June Lake
Lee Vining
McGee Creek
Mesa
Mono City
Paradise
Round Valley
Sunny Slopes
Swall Meadows
Topaz
Twin Lakes
Virginia Lakes
Walker
West Bishop
Wilkerson
Climate data from the nearest NOAA station, Mammoth Lakes Rs, Ca (9.5 mi from Mammoth Lakes). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.