10-day forecast for Fountain Valley, WI: 54° to 87°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Wednesday, August 12
69° · 0.56 in
Worst day: Sunday, August 16
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1085° / 69°0
Morning73°feels 74°
Afternoon83°feels 86°
Evening79°feels 80°
Overnight71°feels 73°
85 °
Fountain Valley, Monday, 10 August
Overcast. High 85°, low 69°.
Pressure29.91 inHg
Wind3 mph W
Humidity66%
Visibility6.2 mi
Dew point66°
Tue, 1180° / 62°0.07
Morning69°feels 70°
Afternoon74°feels 74°
Evening71°feels 72°
Overnight64°feels 64°
80 °
Fountain Valley, Tuesday, 11 August
Rain. High 80°, low 62°.
Pressure29.88 inHg
Wind3.2 mph E
Humidity90%
Visibility6.2 mi
Dew point66°
Wed, 1287° / 64°0
Morning69°feels 69°
Afternoon86°feels 84°
Evening74°feels 73°
Overnight65°feels 66°
87 °
Fountain Valley, Wednesday, 12 August
Clear. High 87°, low 64°.
Pressure29.85 inHg
Wind9.9 mph N
Humidity36%
Visibility6.2 mi
Dew point53°
Thu, 1368° / 59°0
Morning63°feels 62°
Afternoon67°feels 67°
Evening65°feels 65°
Overnight61°feels 62°
68 °
Fountain Valley, Thursday, 13 August
Overcast. High 68°, low 59°.
Pressure30.03 inHg
Wind8.8 mph E
Humidity58%
Visibility—
Dew point51°
Fri, 1478° / 54°0
Morning61°feels 60°
Afternoon75°feels 74°
Evening69°feels 69°
Overnight60°feels 58°
78 °
Fountain Valley, Friday, 14 August
Partly cloudy. High 78°, low 54°.
Pressure30.18 inHg
Wind8.3 mph E
Humidity39%
Visibility—
Dew point47°
Sat, 1576° / 60°0.19
Morning67°feels 66°
Afternoon73°feels 73°
Evening61°feels 61°
Overnight60°feels 60°
76 °
Fountain Valley, Saturday, 15 August
Rain. High 76°, low 60°.
Pressure30.21 inHg
Wind13 mph SE
Humidity46%
Visibility—
Dew point52°
Sun, 1669° / 60°0.56
Morning63°feels 64°
Afternoon64°feels 65°
Evening66°feels 66°
Overnight63°feels 63°
69 °
Fountain Valley, Sunday, 16 August
Rain. High 69°, low 60°.
Pressure30.06 inHg
Wind13.1 mph E
Humidity91%
Visibility—
Dew point61°
Mon, 1781° / 57°0
Morning63°feels 63°
Afternoon78°feels 77°
Evening73°feels 73°
Overnight64°feels 64°
81 °
Fountain Valley, Monday, 17 August
Partly cloudy. High 81°, low 57°.
Pressure30.06 inHg
Wind8.5 mph SW
Humidity43%
Visibility—
Dew point51°
Tue, 1879° / 61°0.01
Morning67°feels 67°
Afternoon75°feels 75°
Evening75°feels 76°
Overnight71°feels 72°
79 °
Fountain Valley, Tuesday, 18 August
Light rain. High 79°, low 61°.
Pressure29.83 inHg
Wind15.9 mph SW
Humidity53%
Visibility—
Dew point55°
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 Fountain Valley, WI 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.