Grossmont High School, CA 14 Day Weather
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Grossmont High School, CA Weather Forecast


Grossmont High School, CA Weather Forecast Dated: 610 AM Tue Sep 01 2026 (Grossmont High School Time)
Expect a very warm period with plenty of sunshine and mostly dry weather over the next two weeks. moderate humidity and no major pressure swings will dominate.
Tuesday, September 1, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
77°F 25°C
Sunny
Warm and summery near 83°F 28°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the W at 10 mph 17 km/h.
Wednesday, September 2, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
76°F 25°C
Sunny
Balmy with temperatures reaching 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the W at 11 mph 17 km/h.
Thursday, September 3, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
73°F 23°C
Sunny
Enjoyable around 79°F 26°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds WSW at 11 mph 17 km/h.
Friday, September 4, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
73°F 23°C
Sunny
Mild temperatures up to 78°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the SSW to the WSW at 7 mph 11 km/h.
Saturday, September 5, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
74°F 23°C
Overcast
Mild with a high of 78°F 26°C, overcast throughout the day, with steady humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
77°F 25°C
Overcast
Mid-Afternoon
80°F 27°C
Light Showers
Early-Evening
81°F 27°C
Scattered Showers
Very warm near 80°F 27°C, though humidity makes it feel like 83°F 28°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the NNE to the E at 14 mph 24 km/h. Gusts up to 28 mph 45 km/h.
Monday, September 7, 2026
Mid-Morning
73°F 23°C
Scattered Showers
Mid-Afternoon
79°F 26°C
Scattered Showers
Early-Evening
76°F 24°C
Partly Cloudy
Comfortable with temperatures reaching 79°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds decreasing from SSE 17 mph 28 km/h to W 6 mph 10 km/h.
Tuesday, September 8, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
78°F 25°C
Partly Cloudy
Quite warm around 83°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the W at 11 mph 17 km/h.
Wednesday, September 9, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
83°F 29°C
Sunny
Early-Evening
79°F 26°C
Sunny
Warm temperatures up to 83°F 29°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the NW to the WNW at 7 mph 12 km/h.
Thursday, September 10, 2026
Mid-Morning
76°F 24°C
Overcast
Mid-Afternoon
83°F 29°C
Overcast
Early-Evening
79°F 26°C
Partly Cloudy
Very warm with a high of 83°F 29°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds WNW at 10 mph 16 km/h.
Friday, September 11, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
80°F 27°C
Sunny
Warm and summery near 85°F 29°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the WNW to the W at 7 mph 11 km/h.
Saturday, September 12, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
79°F 26°C
Sunny
Balmy with temperatures reaching 85°F 29°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the W at 9 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
81°F 27°C
Cloudy
Quite warm around 87°F 31°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the W to the WNW at 6 mph 10 km/h.
Monday, September 14, 2026
Mid-Morning
79°F 26°C
Overcast
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
82°F 28°C
Cloudy
Warm temperatures up to 83°F 28°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
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