Riverside County Fairgrounds, CA 14 Day Weather
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Riverside County Fairgrounds, CA Weather Forecast


Riverside County Fairgrounds, CA Weather Forecast Dated: 1203 AM Mon Aug 31 2026 (Riverside County Fairgrounds Time)
Expect a hot stretch with plenty of sunshine and mostly dry weather over the next two weeks. comfortable humidity and no major pressure swings will dominate.
Monday, August 31, 2026
Mid-Morning
88°F 31°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
94°F 35°C
Sunny
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds increasing from the E at 1 mph 1 km/h to NW at 9 mph 14 km/h.
Tuesday, September 1, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
91°F 33°C
Sunny
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds increasing from the NW at 3 mph 5 km/h to NW at 12 mph 19 km/h.
Wednesday, September 2, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
101°F 39°C
Sunny
Early-Evening
91°F 33°C
Sunny
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and barometric pressure falling. Winds W at 11 mph 18 km/h.
Thursday, September 3, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
89°F 32°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and barometric pressure falling. Winds ESE at 8 mph 12 km/h.
Friday, September 4, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
87°F 31°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds SE at 9 mph 14 km/h.
Saturday, September 5, 2026
Mid-Morning
83°F 28°C
Overcast
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
75°F 24°C
Light Drizzle
Very warm with overcast skies, increasing humidity and steady pressure. Winds shifting from W to WNW at 10 mph 16 km/h.
Sunday, September 6, 2026
Mid-Morning
78°F 26°C
Light Showers
Mid-Afternoon
81°F 27°C
Heavy Rain Showers
Early-Evening
79°F 26°C
Light Showers
Very warm with a mix of sun and clouds, steady humidity and steady pressure. Winds increasing from the NNW at 2 mph 4 km/h to SE at 30 mph 48 km/h.
Monday, September 7, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
92°F 34°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and barometric pressure falling.
Tuesday, September 8, 2026
Mid-Morning
91°F 33°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
100°F 38°C
Sunny
Dangerously hot with partly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure.
Wednesday, September 9, 2026
Mid-Morning
96°F 35°C
Sunny
Mid-Afternoon
105°F 40°C
Sunny
Early-Evening
102°F 39°C
Sunny
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
98°F 37°C
Sunny
Mid-Afternoon
109°F 43°C
Sunny
Early-Evening
106°F 41°C
Sunny
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
101°F 38°C
Sunny
Mid-Afternoon
110°F 44°C
Overcast
Early-Evening
105°F 40°C
Overcast
Dangerously hot with overcast skies, steady humidity and steady pressure. Winds shifting from WSW to W at 8 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
94°F 35°C
Sunny
Mid-Afternoon
104°F 40°C
Sunny
Early-Evening
102°F 39°C
Scattered Showers
Dangerously hot with partly sunny skies in the morning, mostly sunny in the afternoon, and partly sunny in the evening, steady humidity and barometric pressure falling. Winds shifting from SE to ENE at 4 mph 6 km/h.
Sunday, September 13, 2026
Mid-Morning
94°F 35°C
Sunny
Mid-Afternoon
103°F 40°C
Scattered Showers
Early-Evening
101°F 38°C
Sunny
Dangerously hot with a mix of sun and clouds, lower humidity and steady pressure. Scattered showers, some areas remaining dry. Winds shifting from SE to SSE at 5 mph 8 km/h.
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