Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

49.3°F

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Dewpoint

44.7°F Dry & Crisp

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Barometer

29.967 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	429 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
84%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

Partly cloudy, with a low around 50. Southwest wind around 2 mph.

Temperature	55.6 49.3	°F
Dew Point	47.8 44.7	°F
Barometer	29.986 29.961	inHg
AQI	9 6
PM 2.5	2 1	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	434 410	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	3 227	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 317	mph °
Humidity	84 74	%
Heat Index	54.4	°F
Wind Chill	49.3	°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