Las Positas, CA Hourly Weather Forecast

Wed, Nov 18, 2026

Wednesday

Thu 11/19

High 65°f

Rain showers in the morning becoming a steady light rain in the afternoon. High around 65F. Winds WSW at 10 to 15 mph. Chance of rain 60%.

Wednesday night

Thu 11/19

Low 48°f

68% Precip. / 0.68 in

Rain likely. Low 48F. Winds light and variable. Chance of rain 70%. Rainfall around a half an inch.

Sunrise 6:35 AM

Sunset 4:52 PM

Moonrise 1:15 PM

Moonset 12:13 AM

Waxing Gibbous, 63% visible

Hourly Forecast

12AM

49°

1AM

49°

2AM

48°

3AM

47°

4AM

47°

5AM

47°

6AM

47°

6:35AM

Sunrise

7AM

48°

8AM

54°

9AM

60°

10AM

34%

62°

11AM

35%

63°

12PM

35%

64°

1PM

42%

64°

2PM

41%

65°

3PM

41%

63°

4PM

47%

62°

4:52PM

Sunset

5PM

55%

61°

6PM

56%

58°

7PM

57%

57°

8PM

54%

56°

9PM

55%

55°

10PM

55%

54°

11PM

55%

53°

Time	Conditions	Temp.	Feels Like	Precip	Amount	Cloud Cover	Dew Point	Humidity	Wind	Pressure
12:00 am	Partly Cloudy	49°F	47°F	2%	0in	33%	40°F	70%	6 mph N	30.1in
1:00 am	Partly Cloudy	49°F	46°F	2%	0in	36%	40°F	73%	5 mph N	30.11in
2:00 am	Partly Cloudy	48°F	45°F	2%	0in	40%	40°F	75%	5 mph N	30.1in
3:00 am	Partly Cloudy	47°F	45°F	2%	0in	43%	40°F	75%	5 mph N	30.1in
4:00 am	Partly Cloudy	47°F	45°F	2%	0in	45%	40°F	76%	5 mph N	30.1in
5:00 am	Partly Cloudy	47°F	44°F	1%	0in	47%	40°F	77%	5 mph N	30.11in
6:00 am	Partly Cloudy	47°F	45°F	1%	0in	49%	40°F	77%	5 mph N	30.11in
7:00 am	Partly Cloudy	48°F	46°F	7%	0in	53%	41°F	77%	4 mph N	30.12in
8:00 am	Partly Cloudy	54°F	53°F	7%	0in	59%	43°F	67%	4 mph NNE	30.13in
9:00 am	Mostly Cloudy	60°F	60°F	8%	0in	66%	45°F	57%	5 mph NE	30.14in
10:00 am	Few Showers	62°F	62°F	34%	0.01in	71%	45°F	54%	6 mph SSW	30.14in
11:00 am	Showers	63°F	63°F	35%	0.01in	75%	47°F	54%	7 mph SW	30.13in
12:00 pm	Showers	64°F	64°F	35%	0.02in	80%	48°F	55%	9 mph WSW	30.11in
1:00 pm	Showers	64°F	64°F	42%	0.02in	84%	49°F	57%	10 mph WSW	30.09in
2:00 pm	Showers	65°F	65°F	41%	0.02in	85%	50°F	57%	10 mph WSW	30.07in
3:00 pm	Showers	63°F	62°F	41%	0.02in	84%	51°F	65%	10 mph W	30.06in
4:00 pm	Showers	62°F	62°F	47%	0.02in	84%	51°F	66%	9 mph W	30.06in
5:00 pm	Showers	61°F	60°F	55%	0.02in	77%	52°F	73%	7 mph W	30.05in
6:00 pm	Showers	58°F	58°F	56%	0.02in	80%	53°F	81%	5 mph W	30.05in
7:00 pm	Showers	57°F	56°F	57%	0.05in	78%	52°F	84%	6 mph NW	30.05in
8:00 pm	Showers	56°F	55°F	54%	0.05in	74%	52°F	85%	6 mph NNE	30.04in
9:00 pm	Showers	55°F	53°F	55%	0.05in	69%	51°F	88%	5 mph NNW	30.04in
10:00 pm	Showers	54°F	52°F	55%	0.06in	67%	51°F	90%	5 mph NW	30.03in
11:00 pm	Showers	53°F	52°F	55%	0.06in	67%	51°F	94%	5 mph WNW	30.02in

Additional Conditions

Pressure 29.84 in
Visibility 10 miles
Clouds Partly Cloudy
Dew Point57°F
Humidity 72%
Rainfall 0 in
Snow Depth 0 in

KSBA Station History

Almanac for November 12, 2026

Forecast Average Record
Temperature
High 73°F 72°F 90°F 1933
Low 54°F 51°F 30°F 1938
Rain/Snow Depth
Precipitation 0.55 in 4.8 in -
Snow 0 in 0.1 in -

Almanac for November 13, 2026

Forecast Average Record
Temperature
High 66°F 72°F 89°F
Low 55°F 51°F 29°F

Astronomy

Sun Rise Set
Actual Time 6:29 AM 4:56 PM
Civil Twilight 6:03 AM 5:22 PM
Nautical Twilight 5:32 AM 5:53PM
Astronomical Twilight 5:03 AM 6:22 PM

Length of Visible Light 11h 19m
Length of Day 10h 26m
Tomorrow will be 1 minute 37 seconds shorter

Moon 9:50 AM 7:21 PM
Waxing Crescent10% of the Moon is Illuminated

Nov 17

Waxing Half First Qtr

Nov 24

Full Moon

Nov 30

Waning Half Last Qtr

Dec 8

New Moon

Nearby Weather Stations

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