10-day forecast for Belfast, CA: 31° to 70°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Tuesday, October 20
63° · 0.31 in
Worst day: Wednesday, October 21
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2163° / 44°0.31
Morning47°feels 47°
Afternoon62°feels 60°
Evening49°feels 47°
Overnight46°feels 46°
63 °
Belfast, Wednesday, 21 October
Rain. High 63°, low 44°.
Pressure29.91 inHg
Wind5.6 mph SE
Humidity36%
Visibility6.2 mi
Dew point35°
Thu, 2254° / 42°0.15
Morning42°feels 42°
Afternoon54°feels 52°
Evening45°feels 43°
Overnight48°feels 48°
54 °
Belfast, Thursday, 22 October
Light rain. High 54°, low 42°.
Pressure29.88 inHg
Wind1.8 mph SE
Humidity77%
Visibility6.2 mi
Dew point46°
Fri, 2352° / 36°0
Morning38°feels 32°
Afternoon52°feels 48°
Evening41°feels 38°
Overnight43°feels 39°
52 °
Belfast, Friday, 23 October
Clear. High 52°, low 36°.
Pressure30.12 inHg
Wind9.7 mph N
Humidity55%
Visibility6.2 mi
Dew point32°
Sat, 2451° / 31°0
Morning35°feels 34°
Afternoon45°feels 43°
Evening49°feels 47°
Overnight38°feels 38°
51 °
Belfast, Saturday, 24 October
Clear. High 51°, low 31°.
Pressure30.24 inHg
Wind5.5 mph SE
Humidity56%
Visibility—
Dew point28°
Sun, 2558° / 35°0
Morning39°feels 39°
Afternoon50°feels 50°
Evening57°feels 54°
Overnight46°feels 46°
58 °
Belfast, Sunday, 25 October
Mostly clear. High 58°, low 35°.
Pressure30.21 inHg
Wind3.8 mph SE
Humidity50%
Visibility—
Dew point29°
Mon, 2663° / 45°0
Morning48°feels 47°
Afternoon57°feels 54°
Evening59°feels 57°
Overnight47°feels 47°
63 °
Belfast, Monday, 26 October
Overcast. High 63°, low 45°.
Pressure30.12 inHg
Wind3.3 mph E
Humidity29%
Visibility—
Dew point23°
Tue, 2763° / 45°0
Morning48°feels 47°
Afternoon58°feels 55°
Evening59°feels 57°
Overnight47°feels 47°
63 °
Belfast, Tuesday, 27 October
Overcast. High 63°, low 45°.
Pressure30.09 inHg
Wind3.1 mph E
Humidity27%
Visibility—
Dew point22°
Wed, 2862° / 45°0
Morning48°feels 47°
Afternoon57°feels 54°
Evening60°feels 57°
Overnight47°feels 47°
62 °
Belfast, Wednesday, 28 October
Overcast. High 62°, low 45°.
Pressure30.03 inHg
Wind4.1 mph E
Humidity27%
Visibility—
Dew point21°
Thu, 2966° / 43°0
Morning47°feels 44°
Afternoon58°feels 55°
Evening60°feels 57°
Overnight46°feels 44°
66 °
Belfast, Thursday, 29 October
Partly cloudy. High 66°, low 43°.
Pressure29.91 inHg
Wind13.5 mph SW
Humidity27%
Visibility—
Dew point22°
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 Belfast, 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.