Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

44.5°F

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Dewpoint

42.9°F Dry & Crisp

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Barometer

30.087 inHg Normal

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AQI

6 Good

—PM2.5

1 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	460 ppm Moderately Elevated

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Rain Today

0.01 in

Rain Rate
0.00 in/h

24 Hour Rain

0.04 in

Humidity
94%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

A chance of rain before 4am. Mostly cloudy, with a low around 46. West northwest wind around 5 mph. Chance of precipitation is 30%.

Temperature	46.4 44.2	°F
Dew Point	44.5 42.6	°F
Barometer	30.092 30.067	inHg
AQI	16 6
PM 2.5	3 1	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	464 449	ppm
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	2 157	mph °
Wind Average	0	mph
Wind RMS	1	mph
Vector Average Average Direction	0 260	mph °
Humidity	94 93	%
Heat Index	45.1	°F
Wind Chill	44.2	°F
ET	0.00 0.00	in

Equinox	03/20/2026 07:45:53 AM
Solstice	06/21/2026 01:24:31 AM

Downstream Systems