Weather Forecast for Mammoth Lakes

California, United States of America

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Overcast

Current Weather - Mammoth Lakes: 2°C

California, United States of America

Overcast

Feels like -2°C

Wind

9 km/h SSW

Humidity

80%

Pressure

1014 mb

UV Index

0

Visibility

7 km

Patchy rain nearby

Patchy rain nearby

Tuesday, March 31, 2026

High

6°C

Low

-2°C

Rain Chance

80%

Hourly Forecast

Thundery outbreaks in nearby 5°C
12:00
Thundery outbreaks in nearby 4°C
13:00
Moderate or heavy snow in area with thunder 4°C
14:00
Thundery outbreaks in nearby 4°C
15:00
Thundery outbreaks in nearby 4°C
16:00
Thundery outbreaks in nearby 3°C
17:00
Thundery outbreaks in nearby 2°C
18:00
Thundery outbreaks in nearby 1°C
19:00
Partly Cloudy 1°C
20:00
Thundery outbreaks in nearby 1°C
21:00
Thundery outbreaks in nearby -1°C
22:00
Patchy moderate snow -1°C
23:00
Apr 01

Day Statistics

Maximum Wind

14 km/h

Humidity

81%

Precipitation

4 mm

UV Index

1

Visibility

6 km

Rain Chance

80%

Snow Chance

3%

Sun & Moon

Sunrise

06:42 AM

Sunset

07:18 PM

Moonrise

06:17 PM

Moonset

05:56 AM

Moon Phase

Waxing Gibbous

Moon Illumination

95%

Air Quality

PM2.5

7.9

μg/m³

PM10

11.1

μg/m³

NO₂

1.6

μg/m³

O₃

105.1

μg/m³

SO₂

1.2

μg/m³

CO

122.5

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

High Wind Watch issued March 30 at 1:15PM PDT until April 2 at 2:00PM PDT by NWS Reno NV

Mono Mar 30, 01:15 PM - Mar 31, 05:00 PM
Severity: Severe Urgency: Future

* WHAT...Southwest winds of 35 to 45 mph with gusts up to 60 mph. Wind prone locations along US-395 may see localized gusts up to 65 mph. Ridgetops gusting up to 100 mph. * WHERE...Mono County. * WHEN...From Wednesday evening through Thursday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.

Now is the time to secure loose outdoor items such as patio furniture, holiday decorations, and trash cans before winds increase which could blow these items away. The best thing to do is prepare ahead of time by making sure you have extra food and water on hand, flashlights with spare batteries and/or candles in the event of a power outage.

Event: High Wind Watch Certainty: Possible Category: Met

Winter Weather Advisory issued March 30 at 1:04PM PDT until April 1 at 5:00AM PDT by NWS Reno NV

Mono Mar 30, 01:04 PM - Mar 31, 05:00 PM
Severity: Moderate Urgency: Expected

* WHAT...Snow. Snow accumulations of 6 to 12 inches above 8000 ft, with locally up to 14 inches. Snow accumulations of 1 to 2 inches along and west of US-395. Winds gusting as high as 60 mph along ridges. * WHERE...Mono County. * WHEN...From 5 AM Tuesday to 5 AM PDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. Gusty winds could bring down tree branches.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

Event: Winter Weather Advisory Certainty: Likely Category: Met

High Wind Watch issued March 30 at 9:59PM PDT until April 2 at 2:00PM PDT by NWS Reno NV

Mono Mar 30, 09:59 PM - Mar 31, 04:00 PM
Severity: Severe Urgency: Future

* WHAT...Southwest winds of 35 to 45 mph with gusts up to 60 mph. Wind prone canyons along US-395 may see localized gusts up to 70-80 mph. Ridgetops gusting over to 100 mph. * WHERE...Mono County. * WHEN...From Wednesday evening through Thursday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.

Now is the time to secure loose outdoor items such as patio furniture, holiday decorations, and trash cans before winds increase which could blow these items away. The best thing to do is prepare ahead of time by making sure you have extra food and water on hand, flashlights with spare batteries and/or candles in the event of a power outage.

Event: High Wind Watch Certainty: Possible 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