Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

54.4°F

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Dewpoint

44.4°F Dry & Crisp

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Barometer

29.878 inHg Normal

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AQI

24 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	404 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
69%

Wind

↑

2 mph
SW
(225°)

WeatherBoard

Overnight

NWS Forecast

Mostly cloudy, with a low around 50. West southwest wind around 2 mph.

Temperature	55.6 54.4	°F
Dew Point	47.6 44.3	°F
Barometer	29.914 29.875	inHg
AQI	28 21
PM 2.5	5 4	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	428 399	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	6 281	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	1 274	mph °
Humidity	75 68	%
Heat Index	54.3	°F
Wind Chill	54.4	°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