Model estimate for 4:00 AM PDT (no recent station report)

Berkeley, CA weather

Clear and 55°13°.

Mostly agree

Now 55°13°

Clear

Wind: Calm; Up to 5 mph8 km/h through 4 PM
Dew point: 53°12°; Comfortable
Humidity: 92%; Air 55°13°, dew point 53°12° · fog or dew likely
UV index: 0Low; Moderate 12–4 PM · peak 4
Air quality: 48Good; PM2.5 (fine particles) · tomorrow moderate

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 66°19° today at 3 PM
Low 53°12° tonight at 2 AM

TonightNear 55°13° · Partly cloudy
This morningUp to 59°15° by 11 AM · Mostly cloudy
This afternoonUp to 66°19° by 3 PM · Clear
TonightDown to 52°11° by 4 AM · Clear
Tomorrow morningUp to 61°16° by 11 AM · Clear
Tomorrow afternoonUp to 68°20° by 2 PM · Clear
Tomorrow nightDown to 52°11° by 3 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 4a	Clear	55°13° (likely 54°12° to 58°14°)	55°13°	0%	1 mph2 km/h from S, gusts 4 mph7 km/h	92%	25%	0
Fri 5a	Mostly cloudy	55°13° (likely 53°12° to 58°14°)	55°13°	0%	1 mph2 km/h from S, gusts 3 mph6 km/h	91%	38%	0
Fri 6a	Partly cloudy	55°13° (likely 53°12° to 58°14°)	55°13°	0%	1 mph2 km/h from NNE, gusts 3 mph5 km/h	92%	41%	0
Fri 7a	Mostly sunny	54°12° (likely 53°12° to 58°14°)	54°12°	0%	2 mph3 km/h from NNE, gusts 5 mph7 km/h	92%	52%	0
Fri 8a	Cloudy	55°13° (likely 53°12° to 58°14°)	55°13°	0%	2 mph3 km/h from NNE, gusts 5 mph7 km/h	94%	65%	0
Fri 9a	Cloudy	56°13° (likely 56°13° to 58°14°)	56°13°	0%	2 mph3 km/h from N, gusts 5 mph8 km/h	96%	98%	0
Fri 10a	Cloudy	58°14° (likely 57°14° to 60°16°)	58°14°	0%	3 mph5 km/h from NNW, gusts 8 mph12 km/h	100%	88%	1
Fri 11a	Partly sunny	59°15° (likely 59°15° to 62°17°)	59°15°	0%	5 mph8 km/h from N, gusts 11 mph17 km/h	99%	55%	2
Fri 12p	Mostly sunny	62°17° (likely 62°17° to 64°18°)	62°17°	0%	5 mph8 km/h from N, gusts 12 mph19 km/h	94%	45%	4
Fri 1p	Mostly sunny	64°18° (likely 64°18° to 66°19°)	64°18°	0%	5 mph8 km/h from N, gusts 14 mph22 km/h	88%	31%	4
Fri 2p	Sunny	65°18° (likely 65°18° to 68°20°)	65°18°	0%	5 mph8 km/h from N, gusts 12 mph20 km/h	81%	27%	4
Fri 3p	Mostly sunny	66°19° (likely 66°19° to 69°21°)	66°19°	0%	5 mph8 km/h from NW, gusts 13 mph20 km/h	74%	19%	3
Fri 4p	Sunny	66°19° (likely 64°18° to 69°21°)	66°19°	0%	5 mph8 km/h from W, gusts 13 mph21 km/h	72%	8%	2
Fri 5p	Sunny	65°18° (likely 63°17° to 69°21°)	65°18°	0%	3 mph5 km/h from W, gusts 11 mph18 km/h	72%	0%	2
Fri 6p	Clear	63°17° (likely 60°16° to 67°19°)	63°17°	0%	2 mph3 km/h from W, gusts 10 mph16 km/h	77%	0%	1
Fri 7p	Clear	59°15° (likely 58°14° to 64°18°)	59°15°	0%	2 mph3 km/h from NW, gusts 3 mph5 km/h	78%	0%	0
Fri 8p	Clear	58°14° (likely 58°14° to 62°17°)	58°14°	0%	1 mph2 km/h from N, gusts 3 mph5 km/h	78%	0%	0
Fri 9p	Clear	57°14° (likely 57°14° to 61°16°)	57°14°	0%	1 mph2 km/h from N, gusts 5 mph7 km/h	78%	0%	0
Fri 10p	Clear	56°13° (likely 55°13° to 60°16°)	56°13°	0%	0 mph0 km/h, gusts 2 mph4 km/h	78%	0%	0
Fri 11p	Clear	55°13° (likely 54°12° to 59°15°)	55°13°	0%	0 mph0 km/h, gusts 4 mph6 km/h	78%	0%	0
Sat 12a	Clear	55°13° (likely 53°12° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	74%	3%	0
Sat 1a	Clear	54°12° (likely 53°12° to 57°14°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	71%	7%	0
Sat 2a	Clear	53°12° (likely 53°12° to 57°14°)	53°12°	0%	0 mph0 km/h, gusts 3 mph4 km/h	69%	10%	0
Sat 3a	Clear	53°12° (likely 52°11° to 57°14°)	53°12°	0%	0 mph0 km/h, gusts 2 mph3 km/h	68%	11%	0
Sat 4a	Clear	52°11° (likely 51°11° to 56°13°)	53°12°	0%	1 mph2 km/h from NE, gusts 3 mph5 km/h	67%	11%	0
Sat 5a	Clear	52°11° (likely 50°10° to 56°13°)	52°11°	0%	1 mph2 km/h from E, gusts 5 mph7 km/h	63%	11%	0
Sat 6a	Clear	52°11° (likely 50°10° to 56°13°)	52°11°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	65%	13%	0
Sat 7a	Sunny	52°11° (likely 50°10° to 56°13°)	52°11°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	64%	14%	0
Sat 8a	Sunny	52°11° (likely 50°10° to 56°13°)	52°11°	0%	2 mph3 km/h from NE, gusts 4 mph7 km/h	64%	15%	0
Sat 9a	Sunny	55°13° (likely 53°12° to 58°14°)	55°13°	0%	2 mph3 km/h from NE, gusts 4 mph7 km/h	65%	12%	1
Sat 10a	Sunny	58°14° (likely 57°14° to 61°16°)	58°14°	0%	2 mph3 km/h from NE, gusts 4 mph7 km/h	62%	8%	2
Sat 11a	Sunny	61°16° (likely 61°16° to 64°18°)	61°16°	0%	3 mph5 km/h from NNE, gusts 5 mph7 km/h	56%	5%	3
Sat 12p	Sunny	64°18° (likely 63°17° to 67°19°)	64°18°	0%	3 mph5 km/h from NNE, gusts 5 mph8 km/h	52%	3%	4
Sat 1p	Sunny	66°19° (likely 65°18° to 69°21°)	66°19°	0%	3 mph5 km/h from NNE, gusts 5 mph8 km/h	51%	1%	5
Sat 2p	Sunny	68°20° (likely 67°19° to 70°21°)	68°20°	0%	3 mph5 km/h from NNW, gusts 5 mph8 km/h	48%	2%	5
Sat 3p	Sunny	68°20° (likely 66°19° to 71°22°)	68°20°	0%	3 mph5 km/h from NNW, gusts 7 mph11 km/h	49%	3%	4
Sat 4p	Sunny	68°20° (likely 66°19° to 70°21°)	68°20°	0%	3 mph5 km/h from NNW, gusts 9 mph14 km/h	52%	3%	3
Sat 5p	Sunny	67°19° (likely 64°18° to 69°21°)	67°19°	0%	2 mph3 km/h from W, gusts 9 mph15 km/h	58%	6%	2
Sat 6p	Clear	64°18° (likely 60°16° to 66°19°)	64°18°	0%	2 mph3 km/h from W, gusts 8 mph12 km/h	68%	3%	1
Sat 7p	Clear	61°16° (likely 58°14° to 63°17°)	61°16°	0%	2 mph3 km/h from W, gusts 5 mph9 km/h	75%	0%	0
Sat 8p	Clear	58°14° (likely 57°14° to 61°16°)	58°14°	0%	0 mph0 km/h, gusts 4 mph6 km/h	79%	0%	0
Sat 9p	Clear	56°13° (likely 56°13° to 60°16°)	56°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	82%	1%	0
Sat 10p	Clear	55°13° (likely 55°13° to 59°15°)	55°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	83%	22%	0
Sat 11p	Partly cloudy	54°12° (likely 54°12° to 59°15°)	54°12°	0%	0 mph0 km/h, gusts 3 mph6 km/h	82%	26%	0
Sun 12a	Clear	53°12° (likely 53°12° to 61°16°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	82%	19%	0
Sun 1a	Clear	53°12° (likely 53°12° to 61°16°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	81%	20%	0
Sun 2a	Clear	53°12° (likely 52°11° to 60°16°)	53°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	80%	19%	0
Sun 3a	Clear	52°11° (likely 51°11° to 60°16°)	52°11°	0%	0 mph0 km/h, gusts 3 mph5 km/h	80%	16%	0

Days ahead

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

Today, Oct 23. Cloudy. High 66°19°, low 54°12°. Typical 69°21° / 54°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 66. North northwest wind 1 to 5 mph.
Tonight: Mostly cloudy, with a low around 54. South wind around 1 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
53°12°–58°14°
Typical high / low
69°21° / 54°12°
Wind
9 mph15 km/h, gusts 18 mph29 km/h
UV peak
5
Tomorrow, Oct 24. Partly sunny. High 68°20°, low 50°10°. Typical 69°21° / 54°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Official NWS forecast
Day: Sunny, with a high near 68. North northeast wind around 3 mph.
Night: Mostly clear, with a low around 50. West wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–71°22°
Low, likely
50°10°–56°13°
Typical high / low
69°21° / 54°12°
Wind
8 mph13 km/h
UV peak
5
Sunday, Oct 25. Partly sunny. High 67°19°, low 53°12°. Typical 69°21° / 54°12°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Night: Partly cloudy, with a low around 53.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–72°22°
Low, likely
51°11°–57°14°
Typical high / low
69°21° / 54°12°
Wind
7 mph12 km/h
UV peak
5
Monday, Oct 26. Partly sunny. High 63°17°, low 51°11°. Typical 69°21° / 54°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–67°19°
Low, likely
51°11°–57°14°
Typical high / low
69°21° / 54°12°
Wind
12 mph19 km/h, gusts 20 mph31 km/h
UV peak
5
Tuesday, Oct 27. Partly sunny. High 63°17°, low 51°11°. Typical 69°21° / 53°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–66°19°
Low, likely
49°9°–55°13°
Typical high / low
69°21° / 53°12°
Wind
9 mph14 km/h, gusts 17 mph27 km/h
UV peak
5
Wednesday, Oct 28. Mostly cloudy. High 62°17°, low 52°11°. Typical 68°20° / 53°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 62.
Night: Mostly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–68°20°
Low, likely
51°11°–53°12°
Typical high / low
68°20° / 53°12°
Wind
7 mph12 km/h, gusts 14 mph22 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 61°16°, low 54°12°. Typical 68°20° / 53°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog between 8am and 11am. Partly sunny, with a high near 61.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–67°19°
Low, likely
53°12°–56°13°
Typical high / low
68°20° / 53°12°
Wind
6 mph9 km/h, gusts 11 mph18 km/h
UV peak
4
Friday, Oct 30. Sunny. High 66°19°, low 54°12°. Typical 68°20° / 53°12°. Rain 0.06 in1.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°16°
  20% chance
4. Overnight
  midnight–6 AM
  Clear, 57°14°
  30% 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
61°16°–69°21°
Low, likely
49°9°–59°15°
Typical high / low
68°20° / 53°12°
Wind
7 mph11 km/h, gusts 12 mph19 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 65°18°, low 55°13°. Typical 68°20° / 53°12°. Rain 0.18 in4.6 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  30% chance · 0.13 in3.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  30% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Cloudy, 63°17°
  30% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Cloudy, 58°14°
  30% chance · 0.13 in3.2 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
60°16°–69°21°
Low, likely
53°12°–57°14°
Typical high / low
68°20° / 53°12°
Wind
9 mph14 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 66°19°, low 57°14°. Typical 68°20° / 53°12°. Rain 0.57 in14 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 58°14°
  20% chance · 0.29 in7.5 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 66°19°
  20% chance · 0.05 in1.4 mm
3. Evening
  6 PM–midnight
  Cloudy, 65°18°
  20% chance · 0.18 in4.6 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
64°18°–70°21°
Low, likely
53°12°–61°16°
Typical high / low
68°20° / 53°12°
Wind
14 mph23 km/h, gusts 26 mph42 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 66°, low 54°.
Tomorrow
Dry, high 68°, low 50°.
Sunday
Dry, high 67°, low 53°.
Rest of week
Mostly dry, highs 61–66°.

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

For your home

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

Heating this week

About 49% less heating than a typical week.

This week 14Typical 27

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 53°F).

Open the windows?

Today, 12:00 PM–6:00 PM

Good stretch to open the windows.

Is this typical?

San Francisco Downtown · official normals 1991–2020 · records 1874–2026

Oct 23, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

On average 1° warmer than normal (daily mean temperature).

+11°+6°SatOct 17
−3°−2°SunOct 18
−2°−1°MonOct 19
−1°TueOct 20
+1°WedOct 21
—ThuOct 22
—FriOct 23

Berkeley weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 55 min; Losing 2 min 11 s a day; shortest Dec 21, 1 h 23 min less
Golden hour: 5:44–6:37 PM; Morning 7:09–8:01 AM
Blue hour: 6:37–6:47 PM; Morning 6:58–7:09 AM; first light 6:58 AM

Stars tonight? Poor

Clouds most of the night (about 35% cover).

Moon

Waxing gibbous

91% lit · growing

Today: sets 4:41 AM · rises 4:53 PM
Full moon: Oct 25
New moon: Nov 8

Looking west from Berkeley. The highest point on the skyline is about 2,500 ft, 17 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.