Observed 8:55 AM PDT at KL35

Big Bear Lake, CA weather

Sunny and 43°6°, 12°7° colder than a typical Oct 23.

Forecasts differ

Now 43°6°

Sunny · Feels like 38°3°

Wind: 8 mph13 km/h; From the west. 58–8 mph13 km/h through 9 PM
Dew point: 36°2°; Comfortable
UV index: 1Low; Moderate 11 AM–1 PM · peak 3
Air quality: 0Good; Main pollutant: PM2.5 (fine particles)

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Dry until 11 AM
Rain today 11 AM–5 PM (20%, 0.18 in4.6 mm)
Below 40°4° tonight after 8 PM
Below freezing tomorrow 6–8 AM (low 32°0°)
Above 40°4° tomorrow by 9 AM

This morningUp to 48°9° by 11 AM · Rain 11 AM–noon (20%)
This afternoonNear 47°8° · Rain noon–5 PM (20%)
TonightDown to 33°1° by 4 AM · rain chance 20% · Partly cloudy
Tomorrow morningUp to 50°10° by 11 AM · freezing, low 32°0° · Clear
Tomorrow afternoonNear 52°11° · Clear
Tomorrow nightDown to 36°2° by 5 AM · Clear
Sunday morningUp to 39°4° by 8 AM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 9a	Mostly sunny	39°4° (likely 39°4° to 43°6°)	35°2°	5%	5 mph8 km/h from SW, gusts 9 mph15 km/h	95%	26%	1
Fri 10a	Mostly sunny	44°7° (likely 43°6° to 47°8°)	40°4°	5%	5 mph8 km/h from SW, gusts 8 mph14 km/h	81%	28%	2
Fri 11a	Sunny	48°9° (likely 45°7° to 49°9°)	45°7°	20%, 0.03 in0.8 mm	5 mph8 km/h from W, gusts 7 mph12 km/h	69%	24%	3
Fri 12p	Partly sunny	48°9° (likely 46°8° to 50°10°)	46°8°	20%, 0.03 in0.8 mm	5 mph8 km/h from NW, gusts 7 mph11 km/h	69%	52%	3
Fri 1p	Cloudy	48°9° (likely 45°7° to 50°10°)	46°8°	20%, 0.03 in0.8 mm	5 mph8 km/h from NW, gusts 10 mph16 km/h	71%	76%	2
Fri 2p	Cloudy	48°9° (likely 44°7° to 50°10°)	46°8°	20%, 0.03 in0.8 mm	5 mph8 km/h from NW, gusts 11 mph18 km/h	72%	90%	1
Fri 3p	Showers	48°9° (likely 43°6° to 48°9°)	45°7°	20%, 0.03 in0.8 mm	5 mph8 km/h from N, gusts 10 mph16 km/h	76%	96%	1
Fri 4p	Showers	46°8° (likely 41°5° to 46°8°)	43°6°	20%, 0.03 in0.8 mm	5 mph8 km/h from N, gusts 10 mph16 km/h	82%	97%	1
Fri 5p	Showers	45°7° (likely 40°4° to 45°7°)	41°5°	20%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 12 mph19 km/h	88%	96%	0
Fri 6p	Showers	43°6° (likely 39°4° to 43°6°)	39°4°	20%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 13 mph21 km/h	93%	95%	0
Fri 7p	Showers	41°5° (likely 38°3° to 41°5°)	37°3°	20%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 14 mph22 km/h	98%	88%	0
Fri 8p	Showers	39°4° (likely 37°3° to 40°4°)	35°2°	20%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 12 mph20 km/h	98%	91%	0
Fri 9p	Showers	38°3° (likely 37°3° to 40°4°)	34°1°	20%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 13 mph21 km/h	97%	60%	0
Fri 10p	Showers	37°3° (likely 36°2° to 40°4°)	32°0°	20%, 0.01 in0.3 mm	5 mph8 km/h from NE, gusts 15 mph25 km/h	96%	47%	0
Fri 11p	Drizzle	36°2° (likely 35°2° to 40°4°)	30°−1°	0%	10 mph16 km/h from NE, gusts 18 mph29 km/h	97%	71%	0
Sat 12a	Mostly clear	35°2° (likely 35°2° to 40°4°)	29°−2°	0%	10 mph16 km/h from NE, gusts 21 mph34 km/h	98%	55%	0
Sat 1a	Mostly clear	35°2° (likely 35°2° to 39°4°)	28°−2°	0%	10 mph16 km/h from NE, gusts 23 mph37 km/h	96%	35%	0
Sat 2a	Mostly clear	34°1° (likely 34°1° to 39°4°)	27°−3°	0%	10 mph16 km/h from NE, gusts 23 mph37 km/h	98%	23%	0
Sat 3a	Mostly clear	34°1° (likely 34°1° to 39°4°)	26°−3°	0%	10 mph16 km/h from NE, gusts 22 mph35 km/h	98%	19%	0
Sat 4a	Mostly clear	33°1° (likely 33°1° to 39°4°)	25°−4°	0%	10 mph16 km/h from NE, gusts 20 mph33 km/h	98%	18%	0
Sat 5a	Mostly clear	33°1° (likely 33°1° to 38°3°)	25°−4°	0%	10 mph16 km/h from NE, gusts 19 mph31 km/h	100%	29%	0
Sat 6a	Mostly clear	32°0° (likely 32°0° to 38°3°)	24°−4°	0%	10 mph16 km/h from NE, gusts 17 mph27 km/h	100%	18%	0
Sat 7a	Sunny	32°0° (likely 32°0° to 38°3°)	24°−4°	0%	10 mph16 km/h from E, gusts 15 mph24 km/h	100%	12%	0
Sat 8a	Sunny	34°1° (likely 34°1° to 39°4°)	27°−3°	0%	10 mph16 km/h from E, gusts 16 mph25 km/h	100%	10%	0
Sat 9a	Sunny	42°6° (likely 41°5° to 43°6°)	36°2°	0%	10 mph16 km/h from E, gusts 17 mph27 km/h	76%	7%	2
Sat 10a	Sunny	47°8° (likely 43°6° to 47°8°)	42°6°	0%	10 mph16 km/h from NE, gusts 16 mph25 km/h	61%	5%	3
Sat 11a	Sunny	50°10° (likely 45°7° to 50°10°)	46°8°	0%	15 mph24 km/h from NE, gusts 15 mph25 km/h	54%	3%	5
Sat 12p	Sunny	53°12° (likely 47°8° to 53°12°)	53°12°	0%	10 mph16 km/h from NE, gusts 14 mph22 km/h	50%	1%	6
Sat 1p	Sunny	53°12° (likely 48°9° to 53°12°)	53°12°	0%	10 mph16 km/h from NE, gusts 14 mph23 km/h	48%	5%	6
Sat 2p	Sunny	53°12° (likely 48°9° to 53°12°)	53°12°	0%	10 mph16 km/h from NE, gusts 14 mph23 km/h	48%	4%	6
Sat 3p	Sunny	54°12° (likely 48°9° to 54°12°)	54°12°	0%	10 mph16 km/h from NE, gusts 13 mph20 km/h	46%	3%	5
Sat 4p	Sunny	53°12° (likely 47°8° to 53°12°)	53°12°	0%	5 mph8 km/h from NE, gusts 12 mph19 km/h	48%	2%	3
Sat 5p	Sunny	51°11° (likely 46°8° to 51°11°)	51°11°	0%	5 mph8 km/h from NE, gusts 12 mph19 km/h	50%	0%	1
Sat 6p	Clear	48°9° (likely 42°6° to 48°9°)	46°8°	0%	5 mph8 km/h from NE, gusts 10 mph16 km/h	57%	0%	0
Sat 7p	Clear	45°7° (likely 39°4° to 45°7°)	42°6°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	64%	0%	0
Sat 8p	Clear	42°6° (likely 36°2° to 42°6°)	39°4°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	68%	0%	0
Sat 9p	Clear	44°7° (likely 35°2° to 44°7°)	41°5°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	62%	0%	0
Sat 10p	Clear	44°7° (likely 35°2° to 44°7°)	41°5°	0%	5 mph8 km/h from E, gusts 9 mph15 km/h	60%	0%	0
Sat 11p	Clear	40°4° (likely 35°2° to 40°4°)	36°2°	0%	5 mph8 km/h from E, gusts 8 mph14 km/h	67%	0%	0
Sun 12a	Clear	43°6° (likely 36°2° to 43°6°)	41°5°	0%	5 mph8 km/h from E, gusts 8 mph12 km/h	58%	0%	0
Sun 1a	Clear	43°6° (likely 36°2° to 43°6°)	43°6°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	57%	0%	0
Sun 2a	Clear	38°3° (likely 36°2° to 38°3°)	38°3°	0%	5 mph8 km/h from E, gusts 6 mph10 km/h	70%	0%	0
Sun 3a	Clear	43°6° (likely 36°2° to 43°6°)	43°6°	0%	5 mph8 km/h from E, gusts 6 mph9 km/h	56%	0%	0
Sun 4a	Clear	43°6° (likely 36°2° to 43°6°)	43°6°	0%	0 mph0 km/h, gusts 6 mph9 km/h	57%	0%	0
Sun 5a	Clear	36°2° (likely 36°2° to 38°3°)	36°2°	0%	0 mph0 km/h, gusts 6 mph10 km/h	74%	0%	0
Sun 6a	Clear	33°1° (likely 33°1° to 40°4°)	33°1°	0%	0 mph0 km/h, gusts 7 mph12 km/h	86%	0%	0
Sun 7a	Sunny	34°1° (likely 33°1° to 40°4°)	34°1°	0%	0 mph0 km/h, gusts 8 mph13 km/h	85%	0%	0
Sun 8a	Sunny	39°4° (likely 37°3° to 46°8°)	39°4°	0%	0 mph0 km/h, gusts 8 mph13 km/h	74%	0%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 23. Drizzle. High 49°9°, low 32°0°. Typical 61°16° / 33°1°. Rain 0.1 in2.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 48°9°
  20% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Showers, 48°9°
  20% chance · 0.16 in4.1 mm
3. Evening
  6 PM–midnight
  Showers, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 33°1°
  Dry
Official NWS forecast
Today: A slight chance of rain showers after 11am. Partly sunny, with a high near 49. Northwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tonight: A slight chance of rain showers before 11pm. Partly cloudy, with a low around 32. Northeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
46°8°–51°11°
Low, likely
32°0°–37°3°
Typical high / low
61°16° / 33°1°
Wind
10 mph17 km/h, gusts 30 mph49 km/h
UV peak
5
Tomorrow, Oct 24. Mostly sunny. High 54°12°, low 33°1°. Typical 61°16° / 33°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 36°2°
  Dry
Official NWS forecast
Day: Sunny, with a high near 54. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Night: Clear, with a low around 33. East wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
48°9°–54°12°
Low, likely
33°1°–37°3°
Typical high / low
61°16° / 33°1°
Wind
12 mph19 km/h, gusts 25 mph40 km/h
UV peak
6
Sunday, Oct 25. Mostly sunny. High 57°14°, low 35°2°. Typical 61°16° / 32°0°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 57. South wind around 0 mph.
Night: Mostly clear, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
53°12°–58°14°
Low, likely
33°1°–37°3°
Typical high / low
61°16° / 32°0°
Wind
6 mph9 km/h, gusts 16 mph26 km/h
UV peak
6
Monday, Oct 26. Mostly sunny. High 60°16°, low 36°2°. Typical 60°16° / 32°0°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 60.
Night: Mostly clear, with a low around 36.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–61°16°
Low, likely
36°2°–42°6°
Typical high / low
60°16° / 32°0°
Wind
6 mph10 km/h, gusts 18 mph29 km/h
UV peak
6
Tuesday, Oct 27. Mostly sunny. High 61°16°, low 35°2°. Typical 60°16° / 32°0°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 61.
Night: Partly cloudy, with a low around 35.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
57°14°–62°17°
Low, likely
35°2°–43°6°
Typical high / low
60°16° / 32°0°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
6
Wednesday, Oct 28. Partly sunny. High 59°15°, low 35°2°. Typical 60°16° / 32°0°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 59.
Night: Partly cloudy, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–63°17°
Low, likely
35°2°–42°6°
Typical high / low
60°16° / 32°0°
Wind
7 mph11 km/h, gusts 19 mph30 km/h
UV peak
5
Thursday, Oct 29. Partly sunny. High 55°13°, low 33°1°. Typical 60°16° / 32°0°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 55.
Night: Partly cloudy, with a low around 33.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–61°16°
Low, likely
33°1°–41°5°
Typical high / low
60°16° / 32°0°
Wind
6 mph10 km/h, gusts 17 mph27 km/h
UV peak
5
Friday, Oct 30. Cloudy. High 55°13°, low 41°5°. Typical 59°15° / 31°−1°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 44°7°
  Dry
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
44°7°–62°17°
Low, likely
35°2°–44°7°
Typical high / low
59°15° / 31°−1°
Wind
6 mph9 km/h, gusts 15 mph24 km/h
UV peak
5
Saturday, Oct 31. Drizzle. High 49°9°, low 41°5°. Typical 59°15° / 31°−1°. Rain 0.65 in17 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 50°10°
  20% chance · 0.22 in5.5 mm
3. Evening
  6 PM–midnight
  Drizzle, 45°7°
  30% chance · 0.49 in12 mm
4. Overnight
  midnight–6 AM
  Drizzle, 44°7°
  40% chance · 0.37 in9.4 mm
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
44°7°–59°15°
Low, likely
34°1°–45°7°
Typical high / low
59°15° / 31°−1°
Wind
7 mph12 km/h, gusts 25 mph40 km/h
UV peak
1
Sunday, Nov 1. Drizzle. High 45°7°, low 39°4°. Typical 58°14° / 31°−1°. Rain 0.99 in25 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 46°8°
  40% chance · 0.34 in8.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 48°9°
  50% chance · 0.44 in11 mm
3. Evening
  6 PM–midnight
  Drizzle, 45°7°
  50% chance · 0.02 in0.6 mm
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
43°6°–48°9°
Low, likely
33°1°–43°6°
Typical high / low
58°14° / 31°−1°
Wind
11 mph17 km/h, gusts 38 mph61 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 49°, low 32°.
Tomorrow
Dry, high 54°, low 33°, warming up.
Sunday
Dry, high 57°, low 35°, warming up.
Rest of week
Highs 45–61°; chance of precipitation on Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SGX) (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

San Timoteo Creek near Loma Linda

25 mi

Level: 1.1 ft
Flow: 25 cfs

Reading from Fri 7:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 66% less heating than a typical week.

This week 45Typical 131

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 34
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 16 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 36°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Big Bear Lake · official normals 1991–2020 · records 1960–2026

Oct 23, today vs a typical year

Today’s expected high is 12°7° colder than typical.

Last 7 days vs normal

—SatOct 17
—SunOct 18
—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23

Big Bear Lake weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 4 min; Losing 2 min 2 s a day; shortest Dec 21, 1 h 12 min less
Golden hour: 5:29–6:19 PM; Morning 6:44–7:34 AM
Blue hour: 6:19–6:29 PM; Morning 6:34–6:44 AM; first light 6:34 AM

Stars tonight? Fair

Mostly clear 2–5 AM, but the moon is 96% lit and up.

Moon

Waxing gibbous

92% lit · growing

Today: sets 4:18 AM · rises 4:32 PM
Full moon: Oct 25
New moon: Nov 8

Looking southeast from Big Bear Lake. The highest point on the skyline is about 9,900 ft, 5 mi away.Skyline from USGS elevation data, heights drawn up to 2.5× taller. Sky, sun and moon as they are now.