Princeton, CA Weather Forecast for 5-Days

Updated: Mon Jan 19th 2026 1:00 AM PST

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Princeton, CA Weather – 1-19 – Fog
65° / 37°
Fog
In Princeton, fog is likely with a high near 65°F and a low around 37°F. Winds will be light at 6mph and gusts of 10.8mph at 5 AM. High humidity with average of 86% is anticipated, the maximum being 100% at 2 AM and 55% being its lowest at 2 PM. Barometric pressure is its highest of 30.13inHg at 10 AM, a lowest point of 30.04inHg at 4 PM with an avg 30.09inHg.
Princeton, CA Weather – 1-20 – Sunny
61° / 40°

Weather Tomorrow

Sunny
Highs will reach 61°F with lows near 40°F in Princeton, where a sunny day is. Winds will be light at 6mph and gusts of 11.3mph at 8 AM. The humidity will be on the higher side, averaging about 64%, the maximum being 75% at 10 PM and 52% being its lowest at 2 PM. Barometric pressure is its highest of 30.2inHg at 11 AM, a lowest point of 30.12inHg at 11 PM with an avg 30.16inHg.
Princeton, CA Weather – 1-21 – Cloudy
59° / 40°
Cloudy
Daytime highs will reach 59°F with lows dropping to 40°F in Princeton, where skies will be cloudy. Winds will be light at 7mph and gusts of 11.3mph at 7 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 94% at 5 AM and 65% being its lowest at 2 PM. Barometric pressure is its highest of 30.17inHg at 4 AM, a lowest point of 30.06inHg at 6 PM with an avg 30.12inHg.
Princeton, CA Weather – 1-22 – Scattered Showers
65° / 46°
Scattered Showers
Highs will reach 65°F with lows near 46°F in Princeton, where passing showers are. The chance of rain is 80% with an estimated 0.07in. Winds will be light at 10mph and gusts of 12.5mph at 1 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 93% at 7 AM and 49% being its lowest at 3 PM. Barometric pressure is its highest of 30.11inHg at 12 AM, a lowest point of 29.94inHg at 6 PM with an avg 30.03inHg.
Princeton, CA Weather – 1-23 – Sunny
62° / 45°
Sunny
Highs will reach 62°F with lows near 45°F in Princeton, where a sunny day is. Wind will be moderate, blowing around 17mph on average and gusts of 20.5mph at 7 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 94% at 1 AM and 51% being its lowest at 2 PM. Barometric pressure is its highest of 30.14inHg at 10 PM, a lowest point of 29.94inHg at 5 AM with an avg 30.03inHg.
Princeton, CA Weather – 1-24 – Partly Cloudy
61° / 43°
Partly Cloudy
Princeton may see cloudy skies, with daytime highs of 61°F and overnight lows near 43°F. Winds will be light at 6mph and gusts of 10.1mph at 12 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 79% at 11 PM and 53% being its lowest at 1 PM. Barometric pressure is its highest of 30.29inHg at 10 AM, a lowest point of 30.09inHg at 2 AM with an avg 30.17inHg.

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