Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

55.4°F

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Dewpoint

42.6°F Crisp & Invigorating

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Barometer

30.388 inHg High

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AQI

43 Good

—PM2.5

8 µg/m³

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UV Index

2.9 Low

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Radiation

432 W/m² Moderate

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CO₂	445 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
62%

Wind

↑

1 mph
SSW
(202°)

WeatherBoard

Sunday

NWS Forecast

Areas of frost before 8am. Mostly sunny. High near 62, with temperatures falling to around 58 in the afternoon. North northwest wind around 5 mph.

Temperature	55.5 33.0	°F
Dew Point	43.8 31.2	°F
Barometer	30.428 30.375	inHg
AQI	56 26
PM 2.5	12 5	µg/m³
UV Index	2.9 0.0
Radiation	434 0	W/m²
CO₂	600 438	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	6 130	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 295	mph °
Humidity	94 61	%
Heat Index	53.8	°F
Wind Chill	33.0	°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