Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

64.8°F

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Dewpoint

55.9°F Comfortable

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Barometer

30.029 inHg Normal

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AQI

41 Good

—PM2.5

8 µg/m³

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UV Index

3.9 Moderate

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Radiation

523 W/m² Moderate

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CO₂	426 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
73%

Wind

↑

1 mph
ESE
(112°)

WeatherBoard

Today

NWS Forecast

Sunny. High near 79, with temperatures falling to around 77 in the afternoon. North wind 1 to 8 mph.

Temperature	64.8 54.1	°F
Dew Point	56.1 50.3	°F
Barometer	30.036 29.982	inHg
AQI	46 27
PM 2.5	8 5	µg/m³
UV Index	4.0 0.0
Radiation	529 0	W/m²
CO₂	438 415	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	4 122	mph °
Wind Average	0	mph
Wind RMS	1	mph
Vector Average Average Direction	0 31	mph °
Humidity	91 73	%
Heat Index	64.4	°F
Wind Chill	54.1	°F
ET	0.01 0.00	in

Solstice	06/21/2026 01:24:31 AM
Equinox	09/22/2026 05:05:09 PM

Downstream Systems