Mammoth Lakes weather live forecast

Today's maximum temperature in Mammoth Lakes is expected to be 20°C. Select a day from the live weather forecast for Mammoth Lakes, California, USA for more weather parameters.

Saturday
19th Sep
20

6

12

8
Sunday
20th Sep
19

8

4

7
Monday
21st Sep
18

9

3

5
Tuesday
22nd Sep
19

7

10

8
Wednesday
23rd Sep
20

8

12

8

5-day weather forecast updated at 04:03 on Saturday 19th September 2026 GMT

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The 5-day weather forecast for California (Mammoth Lakes) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Mammoth Lakes weather forecast by day

Below are the detailed weather forecasts for Mammoth Lakes for the next 5 days.

Mammoth Lakes weather for Saturday 19th September 2026

Expect clear skies in Mammoth Lakes, California with a maximum temperature of 20°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the west.

20
°C maximum temperature
6
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
20
°C wind chill
4
kph wind from W

Mammoth Lakes weather for Sunday 20th September 2026

Expect broken clouds in Mammoth Lakes, California with a maximum temperature of 19°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

19
°C maximum temperature
8
°C minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from SW

Mammoth Lakes weather for Monday 21st September 2026

Expect isolated thunderstorms in Mammoth Lakes, California with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a light breeze of 9 kph from the east.

18
°C maximum temperature
9
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
5
UV index (Moderate)
22
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
9
kph wind from E

Mammoth Lakes weather for Tuesday 22nd September 2026

Expect scattered clouds in Mammoth Lakes, California with a maximum temperature of 19°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.