Grossmont, California 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 87°F 31°C Heat Index: 88°F	Observed at: Grossmont, CA	Elevation: 800 ft | 244 m
	Last Updated: July 30, 1:45 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 87°F | 31°C
	Pressure: 29.22 in | 989.6 mb	Dewpoint: 64°F | 18°C
	Humidity: 46%	Wind: W 10 mph | W 16 kph
	Feels Like: 92°F | 33°C	Visibility: 78.9 mi | 127 km
	Lat/Long: 32.7847 | -117.0164	Sunrise: 6:00 AM   Sunset: 7:48 PM

7 Day Graphical Forecast

Valid: 9:28 PM 7/30/2026

Today Foggy 89 |64 °F 31 |18 °C 0% Chance Precipitation Friday Foggy 87 |61 °F 31 |16 °C 0% Chance Precipitation Saturday Overcast 88 |64 °F 31 |18 °C 0% Chance Precipitation Sunday Overcast 84 |72 °F 29 |22 °C 0% Chance Precipitation Monday Overcast 82 |71 °F 28 |21 °C 0% Chance Precipitation Tuesday Overcast 81 |69 °F 27 |21 °C 1% Chance Precipitation Wednesday Overcast 84 |70 °F 29 |21 °C 1% Chance Precipitation

7 Hour Graphical Forecast

Valid: 9:28 PM 7/30/2026

9 PM Clear 69 °F 0% Chance Precipitation

10 PM Clear 67 °F 0% Chance Precipitation

11 PM Clear 66 °F 0% Chance Precipitation

12 AM Clear 65 °F 0% Chance Precipitation

1 AM Clear 64 °F 0% Chance Precipitation

2 AM Clear 63 °F 0% Chance Precipitation

3 AM Mostly Clear 62 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Grossmont, CA - (Fahrenheit & Celsius) Valid: 9:28 PM 7/30/2026 Today Foggy with a high near 89°F [31°C]. W wind to around 10 mph [15 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 64°F [18°C] with humidity of 96%. Pressure around 29.22 in [989.6 mb]. UV Index: 8.45. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Foggy with a low around 64°F [18°C]. W wind to around 10 mph [15 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Foggy with a high near 87°F [31°C]. WNW wind to around 9 mph [14 kph], with gusts to near 10 mph [17 kph]. Dewpoint near 64°F [18°C] with humidity of 100%. Pressure around 29.22 in [989.6 mb]. UV Index: 7.95. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Night Foggy with a low around 61°F [16°C]. WNW wind to around 9 mph [14 kph], with gusts to near 10 mph [17 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 88°F [31°C]. WSW wind to around 11 mph [18 kph], with gusts to near 7 mph [12 kph]. Dewpoint near 64°F [18°C] with humidity of 95%. Pressure around 29.22 in [989.6 mb]. UV Index: 8.45. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 64°F [18°C]. WSW wind to around 11 mph [18 kph], with gusts to near 7 mph [12 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 84°F [29°C]. WSW wind to around 10 mph [16 kph], with gusts to near 6 mph [10 kph]. Dewpoint near 64°F [18°C] with humidity of 70%. Pressure around 29.22 in [989.6 mb]. UV Index: 8.5. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 72°F [22°C]. WSW wind to around 10 mph [16 kph], with gusts to near 6 mph [10 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 82°F [28°C]. WSW wind to around 10 mph [16 kph], with gusts to near 6 mph [9 kph]. Dewpoint near 64°F [18°C] with humidity of 74%. Pressure around 29.22 in [989.6 mb]. UV Index: 8.45. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 71°F [21°C]. WSW wind to around 10 mph [16 kph], with gusts to near 6 mph [9 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 81°F [27°C]. SW wind to around 11 mph [17 kph], with gusts to near 7 mph [12 kph]. Dewpoint near 64°F [18°C] with humidity of 76%. Pressure around 29.22 in [989.6 mb]. UV Index: 8.15. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 69°F [21°C]. SW wind to around 11 mph [17 kph], with gusts to near 7 mph [12 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 84°F [29°C]. WSW wind to around 10 mph [16 kph], with gusts to near 7 mph [12 kph]. Dewpoint near 64°F [18°C] with humidity of 73%. Pressure around 29.22 in [989.6 mb]. UV Index: 7.75. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 70°F [21°C]. WSW wind to around 10 mph [16 kph], with gusts to near 7 mph [12 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Grossmont, CA

Today: 0.0 mm | 0.00 in

Tonight: 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

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

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

Today: W @ 15 kph | 10 mph

Tonight: W @ 15 kph | 10 mph

Friday: WNW @ 14 kph | 9 mph

Friday Night: WNW @ 14 kph | 9 mph

Saturday: WSW @ 18 kph | 11 mph

Saturday Night: WSW @ 18 kph | 11 mph

Sunday: WSW @ 16 kph | 10 mph

Sunday Night: WSW @ 16 kph | 10 mph

Monday: WSW @ 16 kph | 10 mph

Monday Night: WSW @ 16 kph | 10 mph

Tuesday: SW @ 17 kph | 11 mph

Tuesday Night: SW @ 17 kph | 11 mph

Wednesday: WSW @ 16 kph | 10 mph

Wednesday Night: WSW @ 16 kph | 10 mph

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

Today: 96 %

Tonight: 96 %

Friday: 100 %

Friday Night: 100 %

Saturday: 95 %

Saturday Night: 95 %

Sunday: 70 %

Sunday Night: 70 %

Monday: 74 %

Monday Night: 74 %

Tuesday: 76 %

Tuesday Night: 76 %

Wednesday: 73 %

Wednesday Night: 73 %

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

Today: 0.0 cm | 0.00 in

Tonight: 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

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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