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Oroville, California 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Oroville CA
National Weather Service Forecast for: Oroville CA
Issued by: National Weather Service Sacramento, CA
Updated: 12:21 pm PDT Aug 15, 2025
 
This
Afternoon
This Afternoon: Sunny and hot, with a high near 97. South southwest wind around 6 mph.
Hot
Tonight

Tonight: Mostly clear, with a low around 66. South wind around 6 mph becoming calm  in the evening.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 65. South southeast wind 5 to 8 mph.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 86. South wind 3 to 8 mph.
Sunny
Sunday
Night
Sunday Night: Clear, with a low around 58.
Clear
Monday

Monday: Sunny, with a high near 87.
Sunny
Monday
Night
Monday Night: Clear, with a low around 60.
Clear
Tuesday

Tuesday: Sunny, with a high near 91.
Sunny
Hi 97 °F Lo 66 °F Hi 89 °F Lo 65 °F Hi 86 °F Lo 58 °F Hi 87 °F Lo 60 °F Hi 91 °F

 

This Afternoon
 
Sunny and hot, with a high near 97. South southwest wind around 6 mph.
Tonight
 
Mostly clear, with a low around 66. South wind around 6 mph becoming calm in the evening.
Saturday
 
Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
 
Mostly clear, with a low around 65. South southeast wind 5 to 8 mph.
Sunday
 
Sunny, with a high near 86. South wind 3 to 8 mph.
Sunday Night
 
Clear, with a low around 58.
Monday
 
Sunny, with a high near 87.
Monday Night
 
Clear, with a low around 60.
Tuesday
 
Sunny, with a high near 91.
Tuesday Night
 
Clear, with a low around 64.
Wednesday
 
Sunny and hot, with a high near 98.
Wednesday Night
 
Clear, with a low around 68.
Thursday
 
Sunny and hot, with a high near 100.

 

Forecast from NOAA-NWS for Oroville CA.

Weather Forecast Discussion
158
FXUS66 KSTO 142051
AFDSTO

Area Forecast Discussion
National Weather Service Sacramento CA
151 PM PDT Thu Aug 14 2025

For additional details on weather and expected impacts over the
next 7 days, please visit weather.gov/sto/briefing.

.DISCUSSION...

.SYNOPSIS...
Warmer weather on Friday, then near to below normal temperatures
through the weekend and into next week with mainly Minor
HeatRisk and periodically breezy onshore flow. Slight chance of
thunderstorms mainly over Shasta County vicinity this weekend,
otherwise dry conditions prevail.

&&

.KEY MESSAGES...

*Today-Friday:
 - Slight warming trend Today and Friday with dry conditions
 - Afternoon highs the 90s to near 100 late this week for much of
   the Valley and foothills
 - Widespread Minor HeatRisk with localized Moderate HeatRisk

*Weekend:
 - Cool down with near to below average temperatures over the
   weekend and rising relative humidity
 - Periodically breezy onshore flow is forecast at times,
   strongest in the Delta vicinity and over the Sierra Crest
 - 15-30% chance of isolated thunderstorms in Shasta County
   (includes northern Sacramento Valley), northern Coastal Range,
   and southern Cascades, dry weather elsewhere

*Early to Mid Next Week:
 - Below normal temperatures on Monday will gradually warm back up
   to near normal through next week as high pressure is favored
   to build back in over the Western US, centered over the Four
   Corners region

.Changes from previous forecast...
- Slight increase in thunderstorm potential for this weekend over
  Shasta County vicinity

&&

.AVIATION...
VFR conditions will continue for the next 24 hours across
interior NorCal. Sustained surface winds generally at or below 12
kts except in the Delta with west-southwest surface winds 12-15
kts with gusts 20-25 kts 00Z-12Z Friday. Northerly surface wind
gusts of up to 15-20 kts in the northern Sacramento Valley after
12Z Friday.

&&

.STO WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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