Santa Clara County, CA Weather Tomorrow

Follow tomorrow's Santa Clara County weather with an accurate 5 day outlook that includes precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Santa Clara County area.
Updated: Tue Sep 8th 2026 4:15 AM PDT
Santa Clara County, CA Weather – 9-8 – Overcast
91° / 62°
Overcast
Santa Clara County is set for overcast with temperatures peaking at 91°F and dipping to 62°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 8mph and gusts of 18.3mph at 4 PM. The air will be relatively dry with average humidity levels below 30%, the maximum being 36% at 8 AM and 10% being its lowest at 2 PM. Barometric pressure is its highest of 30.02inHg at 9 PM, a lowest point of 29.91inHg at 4 PM with an avg 29.96inHg.
Santa Clara County, CA Weather – 9-9 – Overcast
99° / 72°

Weather Tomorrow

Overcast
In Santa Clara County, it will be overcast with highs near 99°F and lows around 72°F. There's a very small chance of rainfall, only about 7% with an estimated 0in. Winds will be light at 8mph and gusts of 15.7mph at 7 AM. The air will be relatively dry with average humidity levels below 30%, the maximum being 32% at 12 AM and 14% being its lowest at 12 PM. Barometric pressure is its highest of 30.03inHg at 10 AM, a lowest point of 29.94inHg at 4 PM with an avg 30inHg.
Santa Clara County, CA Weather – 9-10 – Sunny
94° / 70°
Sunny
Daytime highs will reach 94°F with lows dropping to 70°F in Santa Clara County, where it will be sunny. There's a very small chance of rainfall, only about 1%. Wind will be moderate, blowing around 13mph on average and gusts of 23mph at 3 PM. The air will be relatively dry with average humidity levels below 30%, the maximum being 38% at 6 AM and 17% being its lowest at 12 PM. Barometric pressure is its highest of 30inHg at 12 AM, a lowest point of 29.88inHg at 5 PM with an avg 29.95inHg.
Santa Clara County, CA Weather – 9-11 – Sunny
89° / 61°
Sunny
A sunny day is in the forecast for Santa Clara County, with a high of 89°F and a low of 61°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 13mph on average and gusts of 21.5mph at 2 PM. The air will be relatively dry with average humidity levels below 30%, the maximum being 44% at 8 PM and 16% being its lowest at 11 AM. Barometric pressure is its highest of 29.93inHg at 1 AM, a lowest point of 29.82inHg at 5 PM with an avg 29.88inHg.
Santa Clara County, CA Weather – 9-12 – Sunny
78° / 51°
Sunny
In Santa Clara County, a sunny day is likely with a high near 78°F and a low around 51°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 12mph on average and gusts of 14.3mph at 5 PM. Humidity levels should be comfortable, sitting around 37% on average, the maximum being 73% at 11 PM and 17% being its lowest at 5 PM. Barometric pressure is its highest of 29.97inHg at 11 PM, a lowest point of 29.87inHg at 5 PM with an avg 29.92inHg.
Santa Clara County, CA Weather – 9-13 – Sunny
86° / 51°
Sunny
In Santa Clara County, it will be sunny with highs near 86°F and lows around 51°F. Winds will be light at 9mph and gusts of 17.9mph at 5 PM. The air will be relatively dry with average humidity levels below 30%, the maximum being 68% at 12 AM and 10% being its lowest at 2 PM. Barometric pressure is its highest of 29.96inHg at 12 AM, a lowest point of 29.83inHg at 5 PM with an avg 29.89inHg.

Currently

Clear 66°F
29.94 inHg.
Barometer
36%
Humidity
N 5 mph
Wind
Clear

5 Day Forecast Nearby

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