Observed 3:15 PM PDT at KMMH

Mammoth Lakes, CA weather

Sunny and 52°11°.

Forecasts differ

Now 52°11°

Sunny

Wind: 6 mph9 km/h; From the south-southeast. Up to 6 mph9 km/h through 4 AM
Dew point: 27°−3°; Dry · down to 18°−8° by 1 AM
UV tomorrow: 5Moderate; Moderate 11 AM–5 PM · peak 5
Air quality: 11Good; Main pollutant: PM2.5 (fine particles)
Pressure: 30.16 inHg1021 hPa; Falling · −0.05 inHg−1.5 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 40°4° tonight after 8 PM
Below freezing tonight midnight–8 AM (low 30°−1°)
Above 40°4° tomorrow by 10 AM
Gusts to 27 mph43 km/h tomorrow 3–6 PM
Gusts to 39 mph63 km/h Monday from 5 AM

This afternoonNear 48°9° · Clear
TonightDown to 31°−1° by 4 AM · freezing, low 31°−1° · Clear
Tomorrow morningUp to 49°9° by 11 AM · freezing, low 30°−1° · Clear
Tomorrow afternoonNear 52°11° · gusts to 27 mph43 km/h · Partly cloudy
Tomorrow nightDown to 35°2° by midnight · gusts to 26 mph42 km/h · Mostly cloudy
Monday morningUp to 47°8° by 11 AM · gusts to 35 mph56 km/h · Clear
Monday afternoonNear 49°9° · gusts to 39 mph63 km/h · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 4p	Sunny	47°8° (likely 43°6° to 49°9°)	44°7°	0%	5 mph8 km/h from NE, gusts 13 mph22 km/h	48%	0%	2
Sat 5p	Sunny	48°9° (likely 41°5° to 48°9°)	46°8°	0%	5 mph8 km/h from NE, gusts 12 mph19 km/h	47%	0%	2
Sat 6p	Clear	43°6° (likely 37°3° to 44°7°)	40°4°	0%	5 mph8 km/h from NE, gusts 11 mph17 km/h	57%	0%	0
Sat 7p	Clear	41°5° (likely 33°1° to 41°5°)	38°3°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	61%	0%	0
Sat 8p	Clear	39°4° (likely 30°−1° to 39°4°)	39°4°	0%	0 mph0 km/h, gusts 9 mph14 km/h	63%	0%	0
Sat 9p	Clear	34°1° (likely 28°−2° to 36°2°)	34°1°	0%	0 mph0 km/h, gusts 9 mph14 km/h	63%	0%	0
Sat 10p	Clear	34°1° (likely 28°−2° to 37°3°)	34°1°	0%	0 mph0 km/h, gusts 8 mph12 km/h	61%	0%	0
Sat 11p	Clear	33°1° (likely 28°−2° to 37°3°)	30°−1°	0%	5 mph8 km/h from SW, gusts 7 mph11 km/h	60%	0%	0
Sun 12a	Clear	32°0° (likely 28°−2° to 37°3°)	29°−2°	0%	5 mph8 km/h from SW, gusts 6 mph10 km/h	58%	0%	0
Sun 1a	Clear	32°0° (likely 28°−2° to 36°2°)	29°−2°	0%	5 mph8 km/h from SW, gusts 10 mph17 km/h	55%	0%	0
Sun 2a	Clear	32°0° (likely 27°−3° to 37°3°)	27°−3°	0%	5 mph8 km/h from SW, gusts 13 mph21 km/h	51%	0%	0
Sun 3a	Clear	32°0° (likely 27°−3° to 38°3°)	27°−3°	0%	5 mph8 km/h from SW, gusts 14 mph23 km/h	51%	0%	0
Sun 4a	Clear	31°−1° (likely 28°−2° to 38°3°)	26°−3°	0%	5 mph8 km/h from SW, gusts 16 mph25 km/h	50%	0%	0
Sun 5a	Clear	31°−1° (likely 28°−2° to 38°3°)	25°−4°	0%	5 mph8 km/h from SW, gusts 15 mph25 km/h	50%	0%	0
Sun 6a	Clear	31°−1° (likely 28°−2° to 39°4°)	25°−4°	0%	5 mph8 km/h from SW, gusts 13 mph21 km/h	51%	1%	0
Sun 7a	Sunny	30°−1° (likely 28°−2° to 39°4°)	24°−4°	0%	5 mph8 km/h from SW, gusts 12 mph20 km/h	50%	5%	0
Sun 8a	Mostly sunny	33°1° (likely 30°−1° to 39°4°)	30°−1°	0%	5 mph8 km/h from SW, gusts 9 mph15 km/h	49%	9%	0
Sun 9a	Mostly sunny	39°4° (likely 36°2° to 44°7°)	37°3°	0%	5 mph8 km/h from SW, gusts 9 mph15 km/h	43%	38%	1
Sun 10a	Mostly sunny	46°8° (likely 42°6° to 49°9°)	45°7°	0%	5 mph8 km/h from SW, gusts 13 mph21 km/h	38%	38%	2
Sun 11a	Mostly sunny	49°9° (likely 46°8° to 51°11°)	47°8°	0%	5 mph8 km/h from SW, gusts 14 mph22 km/h	33%	48%	4
Sun 12p	Mostly sunny	52°11° (likely 48°9° to 53°12°)	52°11°	0%	5 mph8 km/h from SW, gusts 17 mph27 km/h	32%	52%	5
Sun 1p	Mostly sunny	52°11° (likely 49°9° to 53°12°)	52°11°	0%	5 mph8 km/h from SW, gusts 21 mph34 km/h	32%	53%	5
Sun 2p	Mostly sunny	53°12° (likely 48°9° to 53°12°)	53°12°	0%	10 mph16 km/h from SW, gusts 25 mph40 km/h	30%	51%	5
Sun 3p	Mostly sunny	55°13° (likely 47°8° to 55°13°)	55°13°	0%	10 mph16 km/h from SW, gusts 27 mph43 km/h	34%	45%	4
Sun 4p	Mostly sunny	52°11° (likely 46°8° to 52°11°)	52°11°	0%	10 mph16 km/h from SW, gusts 26 mph43 km/h	39%	54%	3
Sun 5p	Partly sunny	51°11° (likely 43°6° to 51°11°)	51°11°	0%	10 mph16 km/h from SW, gusts 26 mph42 km/h	43%	60%	1
Sun 6p	Partly cloudy	47°8° (likely 39°4° to 47°8°)	43°6°	0%	10 mph16 km/h from SW, gusts 24 mph39 km/h	54%	67%	0
Sun 7p	Cloudy	41°5° (likely 35°2° to 41°5°)	36°2°	0%	10 mph16 km/h from SW, gusts 21 mph34 km/h	61%	78%	0
Sun 8p	Cloudy	39°4° (likely 33°1° to 40°4°)	32°0°	0%	10 mph16 km/h from SW, gusts 19 mph31 km/h	64%	78%	0
Sun 9p	Cloudy	37°3° (likely 32°0° to 39°4°)	30°−1°	0%	10 mph16 km/h from SW, gusts 19 mph30 km/h	64%	77%	0
Sun 10p	Cloudy	37°3° (likely 32°0° to 39°4°)	30°−1°	0%	10 mph16 km/h from SW, gusts 18 mph29 km/h	62%	77%	0
Sun 11p	Partly cloudy	36°2° (likely 32°0° to 38°3°)	26°−3°	0%	15 mph24 km/h from SW, gusts 17 mph28 km/h	60%	76%	0
Mon 12a	Partly cloudy	35°2° (likely 32°0° to 39°4°)	25°−4°	0%	15 mph24 km/h from SW, gusts 20 mph32 km/h	58%	77%	0
Mon 1a	Cloudy	35°2° (likely 32°0° to 39°4°)	25°−4°	0%	15 mph24 km/h from SW, gusts 19 mph31 km/h	56%	66%	0
Mon 2a	Mostly clear	35°2° (likely 32°0° to 38°3°)	24°−4°	0%	20 mph32 km/h from SW, gusts 19 mph31 km/h	53%	42%	0
Mon 3a	Clear	35°2° (likely 31°−1° to 38°3°)	24°−4°	0%	20 mph32 km/h from SW, gusts 21 mph34 km/h	51%	40%	0
Mon 4a	Clear	35°2° (likely 31°−1° to 39°4°)	24°−4°	0%	20 mph32 km/h from SW, gusts 24 mph38 km/h	48%	40%	0
Mon 5a	Clear	35°2° (likely 31°−1° to 40°4°)	24°−4°	0%	20 mph32 km/h from SW, gusts 26 mph42 km/h	45%	41%	0
Mon 6a	Mostly clear	34°1° (likely 34°1° to 40°4°)	23°−5°	0%	20 mph32 km/h from SW, gusts 26 mph42 km/h	43%	12%	0
Mon 7a	Sunny	34°1° (likely 34°1° to 39°4°)	23°−5°	0%	20 mph32 km/h from SW, gusts 25 mph41 km/h	41%	1%	0
Mon 8a	Sunny	35°2° (likely 35°2° to 38°3°)	25°−4°	0%	15 mph24 km/h from SW, gusts 19 mph31 km/h	38%	1%	0
Mon 9a	Sunny	38°3° (likely 38°3° to 45°7°)	29°−2°	0%	15 mph24 km/h from SW, gusts 29 mph47 km/h	34%	6%	1
Mon 10a	Sunny	43°6° (likely 43°6° to 48°9°)	36°2°	0%	15 mph24 km/h from SW, gusts 33 mph53 km/h	30%	14%	2
Mon 11a	Sunny	47°8° (likely 45°7° to 49°9°)	41°5°	0%	15 mph24 km/h from SW, gusts 35 mph56 km/h	27%	10%	4
Mon 12p	Sunny	49°9° (likely 46°8° to 50°10°)	43°6°	0%	15 mph24 km/h from SW, gusts 38 mph61 km/h	26%	16%	5
Mon 1p	Mostly sunny	49°9° (likely 47°8° to 50°10°)	43°6°	0%	15 mph24 km/h from SW, gusts 39 mph62 km/h	26%	12%	5
Mon 2p	Sunny	49°9° (likely 47°8° to 49°9°)	43°6°	0%	15 mph24 km/h from SW, gusts 38 mph61 km/h	28%	4%	5
Mon 3p	Mostly sunny	49°9° (likely 47°8° to 49°9°)	43°6°	0%	15 mph24 km/h from SW, gusts 39 mph63 km/h	30%	52%	4

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Cloudy. High 50°10°, low 29°−2°. Dry. Forecasts differ.
1. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
2. Evening
  6 PM–midnight
  Clear, 39°4°
  Dry
3. Overnight
  midnight–6 AM
  Clear, 31°−1°
  Dry
Official NWS forecast
Today: Sunny, with a high near 50. Northeast wind around 5 mph, with gusts as high as 20 mph.
Tonight: Mostly clear, with a low around 29. Southwest wind 0 to 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
43°6°–50°10°
Low, likely
27°−3°–30°−1°
Wind
11 mph18 km/h, gusts 49 mph79 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 57°14°, low 33°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 33°1°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Day: Sunny, with a high near 57. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Night: Partly cloudy, with a low around 33. Southwest wind 10 to 20 mph, with gusts as high as 40 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
49°9°–57°14°
Low, likely
26°−3°–35°2°
Wind
20 mph32 km/h, gusts 31 mph50 km/h
UV peak
5
Monday, Oct 26. Mostly sunny. High 53°12°, low 30°−1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 49°9°
  Dry
3. Evening
  6 PM–midnight
  Clear, 35°2°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°2°
  Dry
Official NWS forecast
Day: Sunny, with a high near 53. Southwest wind 15 to 20 mph, with gusts as high as 40 mph.
Night: Clear, with a low around 30. Southwest wind 10 to 20 mph, with gusts as high as 45 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
45°7°–53°12°
Low, likely
27°−3°–37°3°
Wind
19 mph31 km/h, gusts 57 mph91 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 57°14°, low 32°0°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 37°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 57.
Night: Mostly clear, with a low around 32.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
49°9°–57°14°
Low, likely
27°−3°–37°3°
Wind
14 mph22 km/h, gusts 51 mph82 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 54°12°, low 33°1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 38°3°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 54.
Night: Mostly cloudy, with a low around 33.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–54°12°
Low, likely
28°−2°–34°1°
Wind
13 mph20 km/h, gusts 45 mph73 km/h
UV peak
5
Thursday, Oct 29. Snow. High 47°8°, low 30°−1°. Snow < 1 in< 2 cm, 20% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 35°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Fog, 33°0°
  Dry
4. Overnight
  midnight–6 AM
  Snow, 29°−2°
  20% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of snow after 5pm. Partly sunny, with a high near 47.
Night: A chance of snow. Mostly cloudy, with a low around 30.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
43°6°–47°8°
Low, likely
28°−2°–31°−1°
Wind
15 mph23 km/h, gusts 49 mph79 km/h
UV peak
3
Friday, Oct 30. Snow. High 43°6°, low 26°−3°. Snow 0–2 in0–5 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 30°−1°
  20% chance · 0.1 in0.3 cm
2. Afternoon
  noon–6 PM
  Sunny, 40°5°
  30% chance · 0.1 in0.3 cm
3. Evening
  6 PM–midnight
  Clear, 30°−1°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 23°−5°
  20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of snow. Mostly sunny, with a high near 43.
Night: A slight chance of snow. Partly cloudy, with a low around 26.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
37°3°–44°7°
Low, likely
23°−5°–30°−1°
Wind
14 mph23 km/h, gusts 45 mph73 km/h
UV peak
5
Saturday, Oct 31. Cloudy. High 37°3°, low 21°−6°. Rain 0.12 in3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 24°−4°
  20% chance
2. Afternoon
  noon–6 PM
  Sunny, 38°3°
  30% chance · 0.2 in0.6 cm
3. Evening
  6 PM–midnight
  Clear, 26°−3°
  30% chance · 0.02 in0.5 mm
4. Overnight
  midnight–6 AM
  Clear, 18°−8°
  20% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
32°0°–42°6°
Low, likely
15°−9°–25°−4°
Wind
11 mph18 km/h, gusts 35 mph56 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 40°4°, low 18°−8°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 23°−5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 42°6°
  20% chance
3. Evening
  6 PM–midnight
  Snow, 31°0°
  30% chance
4. Overnight
  midnight–6 AM
  Snow, 27°−3°
  20% chance · 0.8 in2 cm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
32°0°–48°9°
Low, likely
14°−10°–23°−5°
Wind
8 mph13 km/h, gusts 27 mph43 km/h
UV peak
5
Monday, Nov 2. Heavy snow. High 42°6°, low 25°−4°. Snow 0–4 in0–10 cm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Snow, 35°2°
  20% chance · 0.4 in0.9 cm
2. Afternoon
  noon–6 PM
  Snow, 42°6°
  20% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Cloudy, 33°1°
  20% chance · 0.9 in2.3 cm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
37°3°–50°10°
Low, likely
19°−7°–32°0°
Wind
5 mph9 km/h, gusts 22 mph35 km/h

10 days15 days30 days

The outlook

Today
Dry, high 50°, low 29°.
Tomorrow
Dry, high 57°, low 33°, warming up.
Monday
Dry, high 53°, low 30°, cooling off.
Rest of week
Mostly dry, highs 37–57°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (REV) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Deadman Creek (CA) at Big Springs

9.1 mi

Level: 6.3 ft
Flow: 20 cfs

Reading from Sat 2 PM · NWS gauge page

Hot Creek at Flume Near Mammoth Lakes

9.9 mi

Level: 1.0 ft
Flow: 38 cfs

Reading from Sat 2 PM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 53 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 20 min less
Golden hour: 5:30–6:23 PM; Morning 6:56–7:49 AM
Blue hour: 6:23–6:33 PM; Morning 6:46–6:56 AM; first light 6:46 AM

Stars tonight? Fair

Clear 6:33 PM–6:47 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 5:34 AM · rises 5:05 PM
Full moon: Oct 25
New moon: Nov 8

Looking southeast from Mammoth Lakes. The highest point on the skyline is about 14,100 ft, 40 mi away.Skyline from USGS elevation data. Sky, sun and moon as they are now.