Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

46.5°F

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Dewpoint

45.4°F Dry & Crisp

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Barometer

30.054 inHg Normal

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AQI

11 Good

—PM2.5

2 µg/m³

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UV Index

0.0 Low

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Radiation

8 W/m² Dark/Nighttime

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CO₂	518 ppm High (Polluted/Stagnant Air)

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Rain Today

0.01 in

Rain Rate
0.00 in/h

24 Hour Rain

0.01 in

Humidity
96%

Wind

0 mph

WeatherBoard

Wednesday

NWS Forecast

Patchy fog before 7am. Mostly sunny. High near 58, with temperatures falling to around 54 in the afternoon. West northwest wind 2 to 10 mph.

Temperature	48.4 44.6	°F
Dew Point	47.3 43.3	°F
Barometer	30.074 30.028	inHg
AQI	26 8
PM 2.5	5 1	µg/m³
UV Index	0.0 0.0
Radiation	9 0	W/m²
CO₂	568 500	ppm
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	3 314	mph °
Wind Average	0	mph
Wind RMS	1	mph
Vector Average Average Direction	0 157	mph °
Humidity	96 95	%
Heat Index	47.5	°F
Wind Chill	44.6	°F
ET	0.00 0.00	in

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

Downstream Systems