Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

57.1°F

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Dewpoint

48.2°F Pleasantly Mild & Balanced

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Barometer

29.996 inHg Normal

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AQI

27 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	422 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
72%

Wind

0 mph

WeatherBoard

Tonight

NWS Forecast

Mostly clear, with a low around 48. Northwest wind 2 to 7 mph.

Temperature	82.9 54.1	°F
Dew Point	62.1 34.5	°F
Barometer	30.005 29.896	inHg
AQI	51 23
PM 2.5	9 4	µg/m³
UV Index	7.1 0.0
Radiation	765 0	W/m²
CO₂	603 410	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	11 331	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 17	mph °
Humidity	88 30	%
Heat Index	82.9	°F
Wind Chill	54.1	°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