Weather WorldUpper Blue Lake, CA 14 Day Weather
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Upper Blue Lake, CA Weather Forecast
Upper Blue Lake, CA Weather Forecast Dated: 1057 PM Wed Sep 16 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Wednesday, September 16, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
47°F 8°C
Sunny
Refreshing around 60°F 16°C, sunny throughout the day, with increasing humidity and steady pressure. Winds turning from the SSW to the SW at 8 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
44°F 7°C
Sunny
Cool and brisk at 56°F 13°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SSW to the WSW at 6 mph 9 km/h.
Friday, September 18, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
52°F 11°C
Sunny
Comfortable at 65°F 18°C, sunny throughout the day, with increasing humidity and steady pressure. Winds moving from the E to the ENE at 5 mph 8 km/h.
Saturday, September 19, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
56°F 14°C
Sunny
Mild temperatures up to 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
57°F 14°C
Overcast
Mild with a high of 68°F 20°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the E to the N at 5 mph 8 km/h.
Monday, September 21, 2026
Mid-Morning
60°F 15°C
Cloudy
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
55°F 12°C
Sunny
Pleasant near 68°F 20°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with increasing humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
57°F 14°C
Partly Cloudy
Comfortable with temperatures reaching 70°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
57°F 14°C
Sunny
Enjoyable around 71°F 22°C, sunny throughout the day, with increasing humidity and steady pressure. Winds shifting from the S to the SW at 6 mph 10 km/h.
Thursday, September 24, 2026
Mid-Morning
60°F 16°C
Partly Cloudy
Mid-Afternoon
71°F 22°C
Cloudy
Early-Evening
57°F 14°C
Overcast
Mild temperatures up to 71°F 22°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the S to the SSW at 6 mph 9 km/h.
Friday, September 25, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
59°F 15°C
Overcast
Mild with a high of 69°F 21°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the S to the SSW at 8 mph 13 km/h.
Saturday, September 26, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
58°F 15°C
Scattered Showers
Pleasant near 70°F 21°C, scattered downpours possible, with increasing humidity and steady pressure. Winds moving from the S to the SSE at 9 mph 14 km/h. Gusts up to 23 mph 36 km/h.
Sunday, September 27, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Light Showers
Early-Evening
51°F 11°C
Light Showers
Crisp with a high near 55°F 13°C, locally heavy downpours at times, with increasing humidity and barometric pressure falling. Winds swinging from the S to the SW at 5 mph 8 km/h.
Monday, September 28, 2026
Mid-Morning
45°F 7°C
Scattered Showers
Mid-Afternoon
49°F 9°C
Scattered Showers
Early-Evening
41°F 5°C
Sunny
Brisk around 49°F 9°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds shifting from the SW to the SSW at 6 mph 10 km/h.
Tuesday, September 29, 2026
Mid-Morning
44°F 7°C
Sunny
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
52°F 12°C
Overcast
Mildly cool near 64°F 18°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.
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