Weather Forecast for Mammoth Lakes

California, United States of America

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Patchy rain nearby

Current Weather - Mammoth Lakes: 10°C

California, United States of America

Patchy rain nearby

Feels like 6°C

Wind

4 km/h SSE

Humidity

86%

Pressure

1022 mb

UV Index

0

Visibility

10 km

Sunny

Sunny

Tuesday, July 14, 2026

High

23°C

Low

9°C

Rain Chance

36%

Hourly Forecast

Sunny 19°C
09:00
Patchy rain nearby 21°C
10:00
Patchy rain nearby 23°C
11:00
Patchy rain nearby 23°C
12:00
Thundery outbreaks in nearby 22°C
13:00
Patchy light rain in area with thunder 20°C
14:00
Sunny 18°C
15:00
Sunny 22°C
16:00
Patchy rain nearby 22°C
17:00
Sunny 20°C
18:00
Sunny 19°C
19:00
Sunny 17°C
20:00
Clear 13°C
21:00
Clear 12°C
22:00
Clear 11°C
23:00
Jul 15

Day Statistics

Maximum Wind

13 km/h

Humidity

56%

Precipitation

0 mm

UV Index

9

Visibility

10 km

Rain Chance

36%

Snow Chance

0%

Sun & Moon

Sunrise

05:45 AM

Sunset

08:17 PM

Moonrise

05:29 AM

Moonset

08:48 PM

Moon Phase

New Moon

Moon Illumination

1%

Air Quality

PM2.5

3.4

μg/m³

PM10

4.8

μg/m³

NO₂

2

μg/m³

O₃

80.7

μg/m³

SO₂

0.3

μg/m³

CO

100

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Heat Advisory issued July 13 at 11:43AM PDT until July 16 at 11:00PM PDT by NWS Hanford CA

Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills Jul 13, 11:43 AM - Jul 13, 08:00 PM
Severity: Moderate Urgency: Expected

* WHAT...High temperatures ranging from 102 to 108 expected. Overnight lows will only drop into the mid to upper 70s. * WHERE...Across the Central and Southern San Joaquin Valley and adjacent lower foothills * WHEN...From 11 AM Tuesday to 11 PM PDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Event: Heat Advisory Certainty: Likely Category: Met

Heat Advisory issued July 13 at 7:31PM PDT until July 16 at 11:00PM PDT by NWS Hanford CA

Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Fresno-Tulare Foothills; South End Sierra Foothills Jul 13, 07:31 PM - Jul 14, 04:00 AM
Severity: Moderate Urgency: Expected

* WHAT...High temperatures ranging from 102 to 108 expected. Overnight lows will only drop into the mid to upper 70s. * WHERE...Across the Central and Southern San Joaquin Valley and adjacent lower foothills * WHEN...From 11 AM Tuesday to 11 PM PDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Event: Heat Advisory Certainty: Likely Category: Met

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