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Heat Advisory HEAT ADVISORY - Santa Clara Valley  - Santa Cruz

NWS Southwest Regional Radar WU South West Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 08-Sep-2026 6:00am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 57.6, Max: 64.0, Min: 57.6 57.6°F
Colder 0.7°F than last hour.

Cool

Feels like: 58°F

24-hr difference
6.2°FWarmer 6.2°F than yesterday at this time.
  Today Yesterday
High: 64°F
12:00am 		85.3°F
4:05pm
Low: 57.6°F
5:50am 		50.7°F
6:55am
Wind from SE SE
0
Gust:
 0.9 mph
0 Bft - Calm
Today: 2 mph 12:10am
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 0.05 in
Season Total: 20.32 in
4 days since last rain.
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Humidity & Barometer Almanac Moon
Humidity: 74 % Increased 1.0% since last hour.
Dew Point: 49.4°F Decreased 0.3°F since last hour.
Barometer: 29.91 inHg Rising 0.02 inHg/hr
Baro Trend: Steady
Sunrise: 6:44am
Sunset: 7:26pm
Moonrise: 3:52am
Moonset: 6:13pm
Waning Crescent
Waning Crescent, Moon at 25 days in cycle
9%
Illuminated
UV Index Solar Radiation
   0    None
High: 0 @ 12:00am
0 W/m2
High: 0 @  12:00am
 NWS Weather Forecast  - Outlook: Overnight & Tuesday
Overnight

Overnight: Mostly Clear
Mostly Clear

Lo 59 °F		 NWS forecast: Mostly clear, with a low around 59. Wind around 0 mph.
WXSIM forecast: Sunny in the morning, becoming partly to mostly sunny in the afternoon. High 92°. UV index up to 8. Wind west-northwest around 2 mph.
 
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny

Hi 92 °F		 NWS forecast: Mostly sunny. High near 92, with temperatures falling to around 90 in the afternoon. North northeast wind 0 to 6 mph.
WXSIM forecast: Partly cloudy. Low 58°. Wind northwest near calm in the evening, becoming east after midnight.