Alton, California 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Overcast 62°F 17°C	Observed at: Alton, CA	Elevation: 599 ft | 183 m
	Last Updated: July 24, 7:00 PM Timezone: GMT -5/-4
	Sky Conditions: Overcast	Temperature: 62°F | 17°C
	Pressure: 29.9 in | 1012.6 mb	Dewpoint: 55°F | 13°C
	Humidity: 77%	Wind: NNW 5 mph | NNW 8 kph
	Feels Like: 62°F | 17°C	Visibility: 37.5 mi | 60.4 km
	Lat/Long: 40.7996 | -124.1614	Sunrise: 6:06 AM   Sunset: 8:40 PM

7 Day Graphical Forecast

Valid: 7:08 PM 7/24/2026

Today Foggy 67 |51 °F 19 |10 °C 0% Chance Precipitation Saturday Overcast 67 |56 °F 20 |13 °C 0% Chance Precipitation Sunday Foggy 66 |53 °F 19 |12 °C 0% Chance Precipitation Monday Clear 71 |52 °F 21 |11 °C 1% Chance Precipitation Tuesday Mostly Clear 71 |53 °F 22 |12 °C 2% Chance Precipitation Wednesday Overcast 69 |53 °F 20 |12 °C 9% Chance Precipitation Thursday Overcast 69 |52 °F 21 |11 °C 4% Chance Precipitation

7 Hour Graphical Forecast

Valid: 7:08 PM 7/24/2026

7 PM Overcast 62 °F 0% Chance Precipitation

8 PM Mostly Clear 61 °F 0% Chance Precipitation

9 PM Mostly Clear 58 °F 0% Chance Precipitation

10 PM Overcast 58 °F 0% Chance Precipitation

11 PM Overcast 59 °F 0% Chance Precipitation

12 AM Overcast 59 °F 0% Chance Precipitation

1 AM Partly Cloudy 58 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Alton, CA - (Fahrenheit & Celsius) Valid: 7:08 PM 7/24/2026 Today Foggy with a high near 67°F [19°C]. NNW wind to around 6 mph [10 kph], with gusts to near 8 mph [13 kph]. Dewpoint near 55°F [13°C] with humidity of 99%. Pressure around 29.90 in [1012.6 mb]. UV Index: 7.95. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Foggy with a low around 51°F [10°C]. NNW wind to around 6 mph [10 kph], with gusts to near 8 mph [13 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 67°F [20°C]. NNW wind to around 7 mph [12 kph], with gusts to near 9 mph [15 kph]. Dewpoint near 55°F [13°C] with humidity of 96%. Pressure around 29.90 in [1012.6 mb]. UV Index: 7.95. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 56°F [13°C]. NNW wind to around 7 mph [12 kph], with gusts to near 9 mph [15 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Foggy with a high near 66°F [19°C]. N wind to around 9 mph [14 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 55°F [13°C] with humidity of 100%. Pressure around 29.90 in [1012.6 mb]. UV Index: 7.9. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Foggy with a low around 53°F [12°C]. N 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]. Monday Clear with a high near 71°F [21°C]. NNW wind to around 8 mph [13 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 55°F [13°C] with humidity of 97%. Pressure around 29.90 in [1012.6 mb]. UV Index: 7.85. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 52°F [11°C]. NNW wind to around 8 mph [13 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Tuesday Mostly Clear with a high near 71°F [22°C]. NNW wind to around 10 mph [15 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 55°F [13°C] with humidity of 99%. Pressure around 29.90 in [1012.6 mb]. UV Index: 7.8. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Tuesday Night Mostly Clear with a low around 53°F [12°C]. NNW wind to around 10 mph [15 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 69°F [20°C]. NW wind to around 8 mph [13 kph], with gusts to near 9 mph [14 kph]. Dewpoint near 55°F [13°C] with humidity of 98%. Pressure around 29.90 in [1012.6 mb]. UV Index: 7.6. Chance of precipitation 9% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 53°F [12°C]. NW wind to around 8 mph [13 kph], with gusts to near 9 mph [14 kph]. Chance of precipitation 9% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 69°F [21°C]. WNW wind to around 8 mph [12 kph], with gusts to near 5 mph [9 kph]. Dewpoint near 55°F [13°C] with humidity of 98%. Pressure around 29.90 in [1012.6 mb]. UV Index: 6.95. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 52°F [11°C]. WNW wind to around 8 mph [12 kph], with gusts to near 5 mph [9 kph]. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Alton, CA

Today: 0.0 mm | 0.00 in

Tonight: 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

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

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

Today: NNW @ 10 kph | 6 mph

Tonight: NNW @ 10 kph | 6 mph

Saturday: NNW @ 12 kph | 7 mph

Saturday Night: NNW @ 12 kph | 7 mph

Sunday: N @ 14 kph | 9 mph

Sunday Night: N @ 14 kph | 9 mph

Monday: NNW @ 13 kph | 8 mph

Monday Night: NNW @ 13 kph | 8 mph

Tuesday: NNW @ 15 kph | 10 mph

Tuesday Night: NNW @ 15 kph | 10 mph

Wednesday: NW @ 13 kph | 8 mph

Wednesday Night: NW @ 13 kph | 8 mph

Thursday: WNW @ 12 kph | 8 mph

Thursday Night: WNW @ 12 kph | 8 mph

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

Today: 99 %

Tonight: 99 %

Saturday: 96 %

Saturday Night: 96 %

Sunday: 100 %

Sunday Night: 100 %

Monday: 97 %

Monday Night: 97 %

Tuesday: 99 %

Tuesday Night: 99 %

Wednesday: 98 %

Wednesday Night: 98 %

Thursday: 98 %

Thursday Night: 98 %

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

Today: 0.0 cm | 0.00 in

Tonight: 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

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

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