Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

77.8°F

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Dewpoint

57.6°F Comfortable

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Barometer

30.022 inHg Normal

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AQI

15 Good

—PM2.5

3 µg/m³

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UV Index

3.3 Moderate

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Radiation

430 W/m² Moderate

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CO₂	425 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
50%

Wind

↑

4 mph
NNW
(338°)

WeatherBoard

This Afternoon

NWS Forecast

Mostly sunny. High near 74, with temperatures falling to around 71 in the afternoon. Northwest wind around 13 mph, with gusts as high as 20 mph.

Temperature	79.5 46.1	°F
Dew Point	59.9 38.8	°F
Barometer	30.104 30.022	inHg
AQI	23 12
PM 2.5	4 2	µg/m³
UV Index	7.4 0.0
Radiation	728 0	W/m²
CO₂	492 403	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	13 340	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 8	mph °
Humidity	77 48	%
Heat Index	79.5	°F
Wind Chill	46.1	°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