Walnut Creek, CA Air Quality & Pollen

Partly cloudy skies during the evening giving way to a few showers after midnight. Low 54F. Winds light and variable. Chance of rain 50%.

Tomorrow

Fri 10/23

High 65°f

75% Precip. / 0.31 in

A steady rain in the morning. Showers continuing in the afternoon. High around 65F. Winds SSW at 5 to 10 mph. Chance of rain 80%. Rainfall around a quarter of an inch.

Tomorrow night

Fri 10/23

Low 53°f

14% Precip. / 0 in

Considerable cloudiness. Low 53F. Winds SSW at 5 to 10 mph.

Hourly Forecast

Now

55°

10PM

55°

11PM

54°

12AM

54°

1AM

34%

55°

2AM

32%

55°

3AM

35%

55°

4AM

33%

55°

5AM

37%

56°

6AM

56%

56°

7AM

70%

56°

7:23AM

Sunrise

8AM

70%

57°

9AM

60%

58°

10AM

59%

60°

11AM

68%

62°

12PM

70%

63°

1PM

63%

64°

2PM

62%

64°

3PM

57%

64°

4PM

50%

64°

5PM

37%

63°

6PM

62°

6:21PM

Sunset

7PM

61°

8PM

60°

9PM

59°

Precipitation

70%

Rain possible after 1 AM

Additional Conditions

Pressure 29.83 in
Visibility 9 miles
Clouds Partly Cloudy
Dew Point51°F
Humidity 87%
Rainfall 0.17 in
Snow Depth 0 in

KCCR Station History

Almanac for October 21, 2026

Forecast Average Record
Temperature
High 69°F 70°F 92°F 1964
Low 54°F 53°F 36°F 2004
Rain/Snow Depth
Precipitation 0.06 in 3.9 in -
Snow 0 in 0 in -

Almanac for October 22, 2026

Forecast Average Record
Temperature
High 65°F 70°F 90°F
Low 54°F 53°F 38°F

Astronomy

Sun Rise Set
Actual Time 7:22 AM 6:22 PM
Civil Twilight 6:56 AM 6:49 PM
Nautical Twilight 6:25 AM 7:19PM
Astronomical Twilight 5:55 AM 7:50 PM

Length of Visible Light 11h 52m
Length of Day 10h 59m
Tomorrow will be 2 minutes 16 seconds shorter

Moon 4:03 PM 2:32 AM
Waxing Gibbous80% of the Moon is Illuminated

Oct 25

Full Moon

Nov 1

Waning Half Last Qtr

Nov 8

New Moon

Nov 17

Waxing Half First Qtr

Nearby Weather Stations

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