Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

51.6°F

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Dewpoint

46.3°F Dry & Crisp

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Barometer

29.967 inHg Normal

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AQI

29 Good

—PM2.5

5 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	424 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

0 mph

WeatherBoard

Overnight

NWS Forecast

Mostly clear. Low around 48, with temperatures rising to around 50 overnight. East southeast wind around 2 mph.

Temperature	56.3 51.6	°F
Dew Point	48.6 46.3	°F
Barometer	30.006 29.967	inHg
AQI	33 23
PM 2.5	6 4	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	444 413	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	2 331	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 338	mph °
Humidity	82 73	%
Heat Index	55.1	°F
Wind Chill	51.6	°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