Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

54.3°F

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Dewpoint

50.5°F Dry & Crisp

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Barometer

29.944 inHg Normal

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AQI

32 Good

—PM2.5

6 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	502 ppm High (Polluted/Stagnant Air)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
87%

Wind

0 mph

WeatherBoard

Saturday

NWS Forecast

Mostly sunny. High near 78, with temperatures falling to around 75 in the afternoon. Northwest wind 2 to 10 mph.

Temperature	64.2 54.3	°F
Dew Point	57.2 50.5	°F
Barometer	29.945 29.896	inHg
AQI	51 29
PM 2.5	9 5	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	603 492	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	2 327	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 315	mph °
Humidity	87 78	%
Heat Index	64.0	°F
Wind Chill	54.3	°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