Mammoth Lakes weather live forecast

Today's maximum temperature in Mammoth Lakes is expected to be 17°C. Select a day from the live weather forecast for Mammoth Lakes, California, USA for more weather parameters.

Thursday
17th Sep
17

4

12

8
Friday
18th Sep
18

4

12

8
Saturday
19th Sep
21

5

11

8
Sunday
20th Sep
19

7

3

8
Monday
21st Sep
18

10

3

8

5-day weather forecast updated at 04:03 on Thursday 17th September 2026 GMT

More about Mammoth Lakes

Mammoth Lakes by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for California

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 Thursday 17th September 2026

Expect clear skies in Mammoth Lakes, California with a maximum temperature of 17°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

17
°C maximum temperature
4
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Mammoth Lakes weather for Friday 18th September 2026

Expect clear skies in Mammoth Lakes, California with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

18
°C maximum temperature
4
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from N

Mammoth Lakes weather for Saturday 19th September 2026

Expect clear skies in Mammoth Lakes, California with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-west.

21
°C maximum temperature
5
°C minimum temperature
clear skies
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
21
°C wind chill
4
kph wind from NW

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 8 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.

19
°C maximum temperature
7
°C minimum temperature
broken clouds
3
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from SW

Mammoth Lakes weather for Monday 21st September 2026

Expect mostly cloudy with light rain in Mammoth Lakes, California with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a light breeze of 7 kph from the east.