Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

46.1°F

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Dewpoint

42.7°F Dry & Crisp

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Barometer

30.097 inHg Normal

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AQI

21 Good

—PM2.5

4 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	457 ppm Moderately Elevated

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
88%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

Patchy fog after 4am. Partly cloudy, with a low around 47. South southwest wind around 2 mph.

Temperature	49.1 46.1	°F
Dew Point	44.2 42.7	°F
Barometer	30.128 30.094	inHg
AQI	28 18
PM 2.5	5 3	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	460 402	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	2 46	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 292	mph °
Humidity	88 83	%
Heat Index	47.6	°F
Wind Chill	46.1	°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