Weather Forecast for Mammoth Lakes

California, United States of America

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Sunny

Current Weather - Mammoth Lakes: 16°C

California, United States of America

Sunny

Feels like 9°C

Wind

20 km/h SW

Humidity

15%

Pressure

1012 mb

UV Index

8

Visibility

10 km

Sunny

Sunny

Tuesday, September 01, 2026

High

17°C

Low

4°C

Rain Chance

2%

Hourly Forecast

Clear 6°C
21:00
Clear 5°C
22:00
Clear 4°C
23:00
Sep 02

Day Statistics

Maximum Wind

28 km/h

Humidity

37%

Precipitation

0 mm

UV Index

9

Visibility

10 km

Rain Chance

2%

Snow Chance

0%

Sun & Moon

Sunrise

06:26 AM

Sunset

07:25 PM

Moonrise

09:28 PM

Moonset

11:04 AM

Moon Phase

Waning Gibbous

Moon Illumination

70%

Air Quality

PM2.5

9.5

μg/m³

PM10

14.2

μg/m³

NO₂

2.2

μg/m³

O₃

102.3

μg/m³

SO₂

0.6

μg/m³

CO

120.1

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

905.82

Diffuse Radiation

66.22

DNI

0

GTI

0

When to visit Mammoth Lakes?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: July August September

January

☀️
2°C
💧
14 Days of rain
❄️
Very heavy snowfall
🌧 Wettest month,

February

☀️
3°C
💧
14 Days of rain
❄️
Very heavy snowfall

March

☀️
5°C
💧
11 Days of rain
❄️
Very heavy snowfall

April

☀️
8°C
💧
6 Days of rain
❄️
Very heavy snowfall

May

☀️
13°C
💧
5 Days of rain
❄️
Very heavy snowfall

June

☀️
21°C
💧
2 Days of rain
❄️
Moderate snowfall

July

☀️
25°C
💧
3 Days of rain
❄️
No snowfall
Best time to visit
🔥 Hottest month

August

☀️
25°C
💧
2 Days of rain
❄️
No snowfall
Best time to visit

September

☀️
21°C
💧
2 Days of rain
❄️
Light snow possible
Best time to visit
🌵 Driest month

October

☀️
15°C
💧
4 Days of rain
❄️
Very heavy snowfall

November

☀️
8°C
💧
7 Days of rain
❄️
Very heavy snowfall

December

☀️
2°C
💧
12 Days of rain
❄️
Very heavy snowfall
🥶 Coldest month