10-day forecast for Fontana, CA: 70° to 101°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
101°
Best day: Sunday, August 9
79°
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1097° / 72°0
Morning79°feels 78°
Afternoon97°feels 95°
Evening85°feels 84°
Overnight74°feels 73°
97 °
Fontana, Monday, 10 August
Mostly clear. High 97°, low 72°.
Pressure29.91 inHg
Wind7.1 mph SW
Humidity25%
Visibility6.2 mi
Dew point52°
Tue, 1194° / 76°0
Morning79°feels 79°
Afternoon93°feels 90°
Evening83°feels 82°
Overnight78°feels 78°
94 °
Fontana, Tuesday, 11 August
Partly cloudy. High 94°, low 76°.
Pressure29.94 inHg
Wind7 mph SW
Humidity26%
Visibility6.2 mi
Dew point50°
Wed, 1290° / 74°0
Morning76°feels 76°
Afternoon90°feels 87°
Evening79°feels 79°
Overnight77°feels 76°
90 °
Fontana, Wednesday, 12 August
Mostly clear. High 90°, low 74°.
Pressure29.88 inHg
Wind7.5 mph SW
Humidity27%
Visibility6.2 mi
Dew point49°
Thu, 1387° / 71°0
Morning74°feels 74°
Afternoon82°feels 81°
Evening82°feels 81°
Overnight72°feels 72°
87 °
Fontana, Thursday, 13 August
Mostly clear. High 87°, low 71°.
Pressure29.91 inHg
Wind11.9 mph W
Humidity41%
Visibility—
Dew point54°
Fri, 1486° / 71°0
Morning74°feels 73°
Afternoon81°feels 81°
Evening83°feels 82°
Overnight76°feels 76°
86 °
Fontana, Friday, 14 August
Overcast. High 86°, low 71°.
Pressure29.97 inHg
Wind11.1 mph W
Humidity39%
Visibility—
Dew point52°
Sat, 1579° / 70°0.03
Morning72°feels 72°
Afternoon77°feels 76°
Evening77°feels 76°
Overnight72°feels 72°
79 °
Fontana, Saturday, 15 August
Light rain. High 79°, low 70°.
Pressure30.00 inHg
Wind7.5 mph W
Humidity48%
Visibility—
Dew point55°
Sun, 1687° / 70°0
Morning74°feels 74°
Afternoon82°feels 82°
Evening85°feels 83°
Overnight74°feels 74°
87 °
Fontana, Sunday, 16 August
Overcast. High 87°, low 70°.
Pressure30.09 inHg
Wind11.3 mph W
Humidity46%
Visibility—
Dew point57°
Mon, 1789° / 72°0
Morning75°feels 75°
Afternoon84°feels 82°
Evening86°feels 84°
Overnight76°feels 75°
89 °
Fontana, Monday, 17 August
Overcast. High 89°, low 72°.
Pressure30.06 inHg
Wind11.9 mph SW
Humidity36%
Visibility—
Dew point52°
Tue, 1891° / 73°0
Morning76°feels 75°
Afternoon85°feels 83°
Evening87°feels 85°
Overnight77°feels 76°
91 °
Fontana, Tuesday, 18 August
Overcast. High 91°, low 73°.
Pressure29.94 inHg
Wind10.3 mph SW
Humidity33%
Visibility—
Dew point51°
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 Fontana, 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.