Clayton, California 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 82°F 28°C Heat Index: 81°F	Observed at: Clayton, CA	Elevation: 265 ft | 81 m
	Last Updated: July 29, 5:30 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 82°F | 28°C
	Pressure: 29.41 in | 996.1 mb	Dewpoint: 54°F | 12°C
	Humidity: 38%	Wind: W 12 mph | W 19 kph
	Feels Like: 78°F | 26°C	Visibility: 110.3 mi | 177.5 km
	Lat/Long: 37.9414 | -121.9358	Sunrise: 6:08 AM   Sunset: 8:19 PM

7 Day Graphical Forecast

Valid: 5:31 PM 7/29/2026

Today Clear 85 |60 °F 30 |16 °C 0% Chance Precipitation Thursday Clear 89 |63 °F 32 |17 °C 0% Chance Precipitation Friday Clear 98 |57 °F 37 |14 °C 0% Chance Precipitation Saturday Clear 97 |55 °F 36 |13 °C 0% Chance Precipitation Sunday Clear 99 |55 °F 37 |13 °C 0% Chance Precipitation Monday Clear 105 |57 °F 40 |14 °C 0% Chance Precipitation Tuesday Clear 106 |61 °F 41 |16 °C 0% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:31 PM 7/29/2026

5 PM Clear 83 °F 0% Chance Precipitation

6 PM Clear 81 °F 0% Chance Precipitation

7 PM Clear 79 °F 0% Chance Precipitation

8 PM Clear 75 °F 0% Chance Precipitation

9 PM Clear 72 °F 0% Chance Precipitation

10 PM Clear 71 °F 0% Chance Precipitation

11 PM Clear 69 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Clayton, CA - (Fahrenheit & Celsius) Valid: 5:31 PM 7/29/2026 Today Clear with a high near 85°F [30°C]. W wind to around 13 mph [20 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 54°F [12°C] with humidity of 80%. Pressure around 29.41 in [996.1 mb]. UV Index: 8.15. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Clear with a low around 60°F [16°C]. W wind to around 13 mph [20 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Clear with a high near 89°F [32°C]. W wind to around 13 mph [21 kph], with gusts to near 19 mph [30 kph]. Dewpoint near 54°F [12°C] with humidity of 52%. Pressure around 29.41 in [996.1 mb]. UV Index: 8.2. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Clear with a low around 63°F [17°C]. W wind to around 13 mph [21 kph], with gusts to near 19 mph [30 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Clear with a high near 98°F [37°C]. W wind to around 8 mph [13 kph], with gusts to near 14 mph [23 kph]. Dewpoint near 54°F [12°C] with humidity of 86%. Pressure around 29.41 in [996.1 mb]. UV Index: 8.2. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Night Clear with a low around 57°F [14°C]. W wind to around 8 mph [13 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Clear with a high near 97°F [36°C]. SW wind to around 9 mph [14 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 54°F [12°C] with humidity of 93%. Pressure around 29.41 in [996.1 mb]. UV Index: 8.1. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Night Clear with a low around 55°F [13°C]. SW wind to around 9 mph [14 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Clear with a high near 99°F [37°C]. SW wind to around 8 mph [12 kph], with gusts to near 15 mph [23 kph]. Dewpoint near 54°F [12°C] with humidity of 96%. Pressure around 29.41 in [996.1 mb]. UV Index: 8.15. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Clear with a low around 55°F [13°C]. SW wind to around 8 mph [12 kph], with gusts to near 15 mph [23 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 105°F [40°C]. WSW wind to around 7 mph [12 kph], with gusts to near 12 mph [20 kph]. Dewpoint near 54°F [12°C] with humidity of 77%. Pressure around 29.41 in [996.1 mb]. UV Index: 8. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 57°F [14°C]. WSW wind to around 7 mph [12 kph], with gusts to near 12 mph [20 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 106°F [41°C]. WSW wind to around 8 mph [13 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 54°F [12°C] with humidity of 66%. Pressure around 29.41 in [996.1 mb]. UV Index: 8. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 61°F [16°C]. WSW wind to around 8 mph [13 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Clayton, CA

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Clayton, CA

Today: W @ 20 kph | 13 mph

Tonight: W @ 20 kph | 13 mph

Thursday: W @ 21 kph | 13 mph

Thursday Night: W @ 21 kph | 13 mph

Friday: W @ 13 kph | 8 mph

Friday Night: W @ 13 kph | 8 mph

Saturday: SW @ 14 kph | 9 mph

Saturday Night: SW @ 14 kph | 9 mph

Sunday: SW @ 12 kph | 8 mph

Sunday Night: SW @ 12 kph | 8 mph

Monday: WSW @ 12 kph | 7 mph

Monday Night: WSW @ 12 kph | 7 mph

Tuesday: WSW @ 13 kph | 8 mph

Tuesday Night: WSW @ 13 kph | 8 mph

7 Day and Night - Maximum Humidity Forecast for Clayton, CA

Today: 80 %

Tonight: 80 %

Thursday: 52 %

Thursday Night: 52 %

Friday: 86 %

Friday Night: 86 %

Saturday: 93 %

Saturday Night: 93 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 77 %

Monday Night: 77 %

Tuesday: 66 %

Tuesday Night: 66 %

7 Day and Night - Snowfall Totals Forecast for Clayton, CA

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

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