10-day forecast for Newcastle, CA: 43° to 71°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Wednesday, October 28
62°
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2871° / 43°0
Morning47°feels 45°
Afternoon70°feels 68°
Evening52°feels 49°
Overnight44°feels 41°
71 °
Newcastle, Wednesday, 28 October
Mostly clear. High 71°, low 43°.
Pressure30.00 inHg
Wind5.7 mph W
Humidity39%
Visibility6.2 mi
Dew point38°
Thu, 2966° / 47°0
Morning49°feels 48°
Afternoon66°feels 64°
Evening60°feels 57°
Overnight49°feels 47°
66 °
Newcastle, Thursday, 29 October
Overcast. High 66°, low 47°.
Pressure29.91 inHg
Wind4 mph SW
Humidity35%
Visibility6.2 mi
Dew point37°
Fri, 3062° / 53°0.03
Morning55°feels 53°
Afternoon62°feels 61°
Evening56°feels 54°
Overnight57°feels 55°
62 °
Newcastle, Friday, 30 October
Light rain. High 62°, low 53°.
Pressure29.91 inHg
Wind4.1 mph S
Humidity53%
Visibility6.2 mi
Dew point45°
Sat, 3166° / 51°0
Morning52°feels 50°
Afternoon63°feels 61°
Evening62°feels 59°
Overnight51°feels 49°
66 °
Newcastle, Saturday, 31 October
Overcast. High 66°, low 51°.
Pressure29.91 inHg
Wind6.9 mph S
Humidity37%
Visibility6.2 mi
Dew point37°
Sun, 0163° / 43°0
Morning49°feels 46°
Afternoon58°feels 56°
Evening61°feels 58°
Overnight51°feels 48°
63 °
Newcastle, Sunday, 1 November
Light rain. High 63°, low 43°.
Pressure30.12 inHg
Wind10.6 mph NW
Humidity46%
Visibility—
Dew point35°
Mon, 0266° / 47°0
Morning52°feels 49°
Afternoon62°feels 58°
Evening60°feels 57°
Overnight54°feels 51°
66 °
Newcastle, Monday, 2 November
Clear. High 66°, low 47°.
Pressure30.06 inHg
Wind6.4 mph NE
Humidity20%
Visibility—
Dew point19°
Tue, 0368° / 53°0
Morning56°feels 53°
Afternoon65°feels 62°
Evening66°feels 64°
Overnight58°feels 56°
68 °
Newcastle, Tuesday, 3 November
Light rain. High 68°, low 53°.
Pressure30.00 inHg
Wind4.9 mph SW
Humidity17%
Visibility—
Dew point17°
Wed, 0470° / 57°0
Morning60°feels 58°
Afternoon66°feels 64°
Evening66°feels 65°
Overnight57°feels 55°
70 °
Newcastle, Wednesday, 4 November
Overcast. High 70°, low 57°.
Pressure30.03 inHg
Wind7 mph SW
Humidity40%
Visibility—
Dew point40°
Thu, 0568° / 54°0
Morning58°feels 56°
Afternoon65°feels 63°
Evening66°feels 65°
Overnight58°feels 56°
68 °
Newcastle, Thursday, 5 November
Overcast. High 68°, low 54°.
Pressure30.03 inHg
Wind4.5 mph E
Humidity49%
Visibility—
Dew point44°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Newcastle, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.