Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

53.9°F

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Dewpoint

48.5°F Dry & Crisp

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Barometer

30.093 inHg Normal

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AQI

12 Good

—PM2.5

2 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	428 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
82%

Wind

↑

1 mph
SW
(225°)

WeatherBoard

Tonight

NWS Forecast

Partly cloudy, with a low around 47. West northwest wind around 7 mph.

Temperature	69.2 43.1	°F
Dew Point	53.0 40.6	°F
Barometer	30.146 30.069	inHg
AQI	18 9
PM 2.5	3 2	µg/m³
UV Index	7.9 0.0
Radiation	926 0	W/m²
CO₂	609 406	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	17 274	mph °
Wind Average	2	mph
Wind RMS	2	mph
Vector Average Average Direction	1 322	mph °
Humidity	94 50	%
Heat Index	68.2	°F
Wind Chill	43.1	°F
ET	0.02 0.00	in

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

Downstream Systems