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As of 12:44 PDT

Weather in Upper Lake, CA

81°Current weather

Upper Lake, Saturday, 8 August, 12:44

Clear. Feels like 80°. High 86°, low 56°.

Pressure29.88 inHg
Wind6.9 mph W
Humidity29%
Visibility6.2 mi
Dew point46°
Sun, 0992° / 58°0Clear
92 °Clear

Upper Lake, Sunday, 9 August

Clear. High 92°, low 58°.

Pressure29.80 inHg
Wind5.4 mph SW
Humidity8%
Visibility6.2 mi
Dew point28°
Mon, 10104° / 55°0Clear
104 °Clear

Upper Lake, Monday, 10 August

Clear. High 104°, low 55°.

Pressure29.80 inHg
Wind6.4 mph S
Humidity10%
Visibility6.2 mi
Dew point33°
Tue, 11102° / 67°0Clear
102 °Clear

Upper Lake, Tuesday, 11 August

Clear. High 102°, low 67°.

Pressure29.88 inHg
Wind6.3 mph SW
Humidity12%
Visibility6.2 mi
Dew point36°
Wed, 12100° / 66°0Overcast
100 °Overcast

Upper Lake, Wednesday, 12 August

Overcast. High 100°, low 66°.

Pressure29.80 inHg
Wind4.6 mph S
Humidity12%
Visibility6.2 mi
Dew point34°
Thu, 1396° / 62°0Overcast
96 °Overcast

Upper Lake, Thursday, 13 August

Overcast. High 96°, low 62°.

Pressure29.74 inHg
Wind9.4 mph SW
Humidity14%
Visibility—
Dew point36°
Fri, 1490° / 60°0Overcast
90 °Overcast

Upper Lake, Friday, 14 August

Overcast. High 90°, low 60°.

Pressure29.85 inHg
Wind6.8 mph S
Humidity21%
Visibility—
Dew point42°
Sat, 1591° / 58°0Clear
91 °Clear

Upper Lake, Saturday, 15 August

Clear. High 91°, low 58°.

Pressure29.94 inHg
Wind11.3 mph SW
Humidity18%
Visibility—
Dew point39°
Sun, 1693° / 60°0Overcast
93 °Overcast

Upper Lake, Sunday, 16 August

Overcast. High 93°, low 60°.

Pressure29.97 inHg
Wind9.6 mph S
Humidity10%
Visibility—
Dew point26°
Mon, 1791° / 59°0Overcast
91 °Overcast

Upper Lake, Monday, 17 August

Overcast. High 91°, low 59°.

Pressure30.00 inHg
Wind10.2 mph SW
Humidity12%
Visibility—
Dew point29°
Tue, 1895° / 58°0Clear
95 °Clear

Upper Lake, Tuesday, 18 August

Clear. High 95°, low 58°.

Pressure29.97 inHg
Wind10.1 mph W
Humidity11%
Visibility—
Dew point29°
Wed, 1993° / 58°0Overcast
93 °Overcast

Upper Lake, Wednesday, 19 August

Overcast. High 93°, low 58°.

Pressure29.94 inHg
Wind10 mph W
Humidity15%
Visibility—
Dew point35°
Thu, 2098° / 60°0Clear
98 °Clear

Upper Lake, Thursday, 20 August

Clear. High 98°, low 60°.

Pressure29.85 inHg
Wind10.4 mph W
Humidity13%
Visibility—
Dew point36°
Fri, 21100° / 63°0Clear
100 °Clear

Upper Lake, Friday, 21 August

Clear. High 100°, low 63°.

Pressure29.83 inHg
Wind9.6 mph W
Humidity13%
Visibility—
Dew point38°
Sat, 22103° / 68°0Overcast
103 °Overcast

Upper Lake, Saturday, 22 August

Overcast. High 103°, low 68°.

Pressure29.80 inHg
Wind9.1 mph SW
Humidity10%
Visibility—
Dew point33°
Sun, 23101° / 66°0Mostly clear
101 °Mostly clear

Upper Lake, Sunday, 23 August

Mostly clear. High 101°, low 66°.

Pressure29.80 inHg
Wind9.5 mph W
Humidity12%
Visibility—
Dew point37°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Upper Lake, CA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Upper Lake, CA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.