Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

45.5°F

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Dewpoint

36.3°F Dry/Moisture Depleted

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Barometer

30.225 inHg High

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AQI

50 Good

—PM2.5

9 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	455 ppm Moderately Elevated

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
70%

Wind

↑

1 mph
NW
(315°)

WeatherBoard

Tonight

NWS Forecast

Mostly clear, with a low around 39. Southwest wind around 5 mph.

Temperature	63.3 34.5	°F
Dew Point	43.5 32.7	°F
Barometer	30.354 30.213	inHg
AQI	56 12
PM 2.5	12 2	µg/m³
UV Index	2.8 0.0
Radiation	429 0	W/m²
CO₂	567 414	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	9 343	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 7	mph °
Humidity	94 38	%
Heat Index	61.2	°F
Wind Chill	31.5	°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