Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

46.9°F

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Dewpoint

45.5°F Dry & Crisp

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Barometer

30.107 inHg Normal

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AQI

68 Moderate

—PM2.5

18 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	470 ppm Moderately Elevated

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.01 in

Humidity
95%

Wind

↑

1 mph
ESE
(112°)

WeatherBoard

Overnight

NWS Forecast

Mostly cloudy, with a low around 44. West northwest wind around 5 mph.

Temperature	47.0 38.9	°F
Dew Point	45.6 37.3	°F
Barometer	30.135 30.103	inHg
AQI	81 59
PM 2.5	25 14	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	537 449	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	4 118	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 176	mph °
Humidity	95 94	%
Heat Index	45.9	°F
Wind Chill	38.9	°F
ET	0.00 0.00	in

Solstice	12/21/2025 07:02:51 AM
Equinox	03/20/2026 07:45:53 AM

Downstream Systems