Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

55.4°F

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Dewpoint

43.0°F Crisp & Invigorating

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Barometer

29.871 inHg Normal

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AQI

13 Good

—PM2.5

3 µg/m³

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UV Index

0.0 Low

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Radiation

0 W/m² Dark/Nighttime

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CO₂	405 ppm Normal Background (Excellent)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
63%

Wind

↑

1 mph
SSE
(158°)

WeatherBoard

Overnight

NWS Forecast

A slight chance of rain after 5am. Mostly clear, with a low around 50. Southeast wind around 9 mph. Chance of precipitation is 20%.

Temperature	55.6 51.9	°F
Dew Point	45.8 30.4	°F
Barometer	29.906 29.870	inHg
AQI	23 11
PM 2.5	4 2	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	444 402	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	6 198	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	1 165	mph °
Humidity	70 41	%
Heat Index	54.1	°F
Wind Chill	51.9	°F
ET	0.00 0.00	in

Solstice	06/21/2026 01:24:31 AM
Equinox	09/22/2026 05:05:09 PM

Downstream Systems