Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

49.0°F

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Dewpoint

45.0°F Dry & Crisp

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Barometer

29.973 inHg Normal

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AQI

12 Good

—PM2.5

2 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	431 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
86%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

Mostly cloudy, with a low around 49. Southwest wind around 2 mph.

Temperature	53.2 48.7	°F
Dew Point	46.9 43.7	°F
Barometer	30.012 29.965	inHg
AQI	16 9
PM 2.5	3 2	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	454 416	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	2 314	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 308	mph °
Humidity	86 79	%
Heat Index	51.9	°F
Wind Chill	48.7	°F
ET	0.00 0.00	in

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

Downstream Systems