Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

64.6°F

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Dewpoint

56.9°F Comfortable

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Barometer

30.030 inHg Normal

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AQI

20 Good

—PM2.5

4 µg/m³

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UV Index

4.8 Moderate

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Radiation

448 W/m² Moderate

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CO₂	435 ppm Slightly Elevated (Typical Urban)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
76%

Wind

↑

4 mph
NE
(45°)

WeatherBoard

Sunday

NWS Forecast

Patchy fog before 9am. Partly sunny. High near 66, with temperatures falling to around 62 in the afternoon. Southwest wind 1 to 7 mph.

Temperature	66.7 51.4	°F
Dew Point	58.1 49.4	°F
Barometer	30.064 29.993	inHg
AQI	23 8
PM 2.5	4 1	µg/m³
UV Index	6.3 0.0
Radiation	682 0	W/m²
CO₂	534 419	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	8 18	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 82	mph °
Humidity	94 71	%
Heat Index	66.5	°F
Wind Chill	51.4	°F
ET	0.01 0.00	in

Equinox	03/20/2026 07:45:53 AM
Solstice	06/21/2026 01:24:31 AM

Downstream Systems