Ski resort

Mammoth Mountain weather

Mammoth Lakes, CA

68° now

Today: Partly Sunny, high 70°, 0% chance of rain

Current observed weather and the available forecast for Mammoth Mountain. Conditions can change quickly; check local alerts before travel.

Usually open November to May

Mammoth Mountain is usually closed in October. Check the official calendar before you go.

Opening Day is Nov 13, 2026. Per the official site, winter typically runs from early November into May and often extends later.

From Mammoth Mountain about page (season) + 26/27 Opening Day event, checked Oct 1, 2026. Dates change each year.

Mountain facts

Scheduled to open November 13, 2026 (official announcement). Opening dates depend on snow and can change.

Base: 7,953 ft
Summit: 11,053 ft
Vertical: 3,100 ft

This forecast is for the main base area at about 7,953 feet. The summit is 3,100 feet higher and is usually colder and windier.

For snow depth, lifts and trails, see the official Mammoth Mountain snow report.

Current conditions

Current weather at Mammoth Mountain

Overcast clouds

Observed at 12:54 PM local time

68°Feels like 65°

Humidity: 18%
Wind: 9 mph, gusts 17 mph
Sunrise: 6:52 AM
Sunset: 6:38 PM

At a glance

Today and Tomorrow at Mammoth Mountain

Today

Partly Sunny

High 70° · Low 50°

0% chance of rain

Partly sunny, with a high near 70. Southwest wind around 5 mph, with gusts as high as 20 mph.

Tomorrow

Patchy Smoke then Sunny

High 70° · Low 49°

0% chance of rain

Patchy smoke between 8am and 11am. Sunny, with a high near 70. East wind 0 to 5 mph.

Hour by hour

Mammoth Mountain hourly forecast for the next 24 hours

12:00 PM66°Mostly Sunny0% rain
1:00 PM67°Mostly Sunny0% rain
2:00 PM68°Partly Sunny0% rain
3:00 PM69°Partly Sunny0% rain
4:00 PM68°Partly Sunny0% rain
5:00 PM66°Partly Sunny0% rain
6:00 PM63°Mostly Cloudy0% rain
7:00 PM58°Patchy Smoke0% rain
8:00 PM56°Areas Of Smoke0% rain
9:00 PM55°Areas Of Smoke0% rain
10:00 PM55°Areas Of Smoke0% rain
11:00 PM55°Areas Of Smoke0% rain
12:00 AM54°Areas Of Smoke0% rain
1:00 AM53°Patchy Smoke0% rain
2:00 AM53°Patchy Smoke0% rain
3:00 AM52°Patchy Smoke0% rain
4:00 AM52°Partly Cloudy0% rain
5:00 AM51°Partly Cloudy0% rain
6:00 AM50°Mostly Sunny0% rain
7:00 AM50°Mostly Sunny0% rain
8:00 AM50°Patchy Smoke0% rain
9:00 AM55°Patchy Smoke0% rain
10:00 AM60°Patchy Smoke0% rain
11:00 AM63°Sunny0% rain

Day by day

Mammoth Mountain 7-day forecast

Fri, Oct 2Partly SunnyUp to 0% rain70° / 50°
Sat, Oct 3Patchy Smoke then SunnyUp to 0% rain70° / 49°
Sun, Oct 4Mostly SunnyUp to 0% rain69° / 49°
Mon, Oct 5SunnyUp to 1% rain65° / 49°
Tue, Oct 6SunnyUp to 0% rain66° / 48°
Wed, Oct 7SunnyUp to 0% rain67° / 49°
Thu, Oct 8SunnyUp to 2% rain66° / 49°

Forecast from the National Weather Service, updated 11:30 AM local time. Hourly values are for the forecast grid cell containing this location. Current conditions from OpenWeather.

Confirm before you go

Mammoth Mountain location and park links

Check current hours, access, fees, closures, and local guidance with the destination itself.

Type: Ski resort
City: Mammoth Lakes, CA
Address: 10001 Minaret Road
Visitor information: Visit Mammoth Mountain website