10-day forecast for Happy Valley, CA: 67° to 97°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
97°
Best day: Sunday, August 9
84°
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1096° / 69°0
Morning76°feels 76°
Afternoon96°feels 95°
Evening77°feels 77°
Overnight71°feels 70°
96 °
Happy Valley, Monday, 10 August
Mostly clear. High 96°, low 69°.
Pressure29.91 inHg
Wind6.7 mph SW
Humidity31%
Visibility6.2 mi
Dew point56°
Tue, 1189° / 74°0
Morning77°feels 76°
Afternoon89°feels 86°
Evening78°feels 77°
Overnight75°feels 75°
89 °
Happy Valley, Tuesday, 11 August
Overcast. High 89°, low 74°.
Pressure29.97 inHg
Wind8.1 mph SW
Humidity29%
Visibility6.2 mi
Dew point53°
Wed, 1288° / 71°0
Morning74°feels 74°
Afternoon88°feels 86°
Evening74°feels 74°
Overnight74°feels 73°
88 °
Happy Valley, Wednesday, 12 August
Clear. High 88°, low 71°.
Pressure29.88 inHg
Wind7.6 mph SW
Humidity36%
Visibility6.2 mi
Dew point56°
Thu, 1384° / 69°0
Morning71°feels 71°
Afternoon78°feels 78°
Evening77°feels 77°
Overnight70°feels 70°
84 °
Happy Valley, Thursday, 13 August
Clear. High 84°, low 69°.
Pressure29.91 inHg
Wind9.4 mph SW
Humidity49%
Visibility—
Dew point56°
Fri, 1484° / 67°0
Morning70°feels 70°
Afternoon78°feels 78°
Evening78°feels 78°
Overnight69°feels 69°
84 °
Happy Valley, Friday, 14 August
Overcast. High 84°, low 67°.
Pressure29.97 inHg
Wind10.1 mph SW
Humidity46%
Visibility—
Dew point54°
Sat, 1586° / 70°0
Morning73°feels 73°
Afternoon80°feels 80°
Evening76°feels 75°
Overnight73°feels 73°
86 °
Happy Valley, Saturday, 15 August
Overcast. High 86°, low 70°.
Pressure30.00 inHg
Wind9.3 mph SW
Humidity39%
Visibility—
Dew point52°
Sun, 1686° / 71°0.01
Morning74°feels 74°
Afternoon82°feels 82°
Evening81°feels 81°
Overnight74°feels 74°
86 °
Happy Valley, Sunday, 16 August
Light rain. High 86°, low 71°.
Pressure30.06 inHg
Wind10 mph SW
Humidity44%
Visibility—
Dew point56°
Mon, 1790° / 74°0
Morning78°feels 78°
Afternoon87°feels 86°
Evening88°feels 87°
Overnight79°feels 79°
90 °
Happy Valley, Monday, 17 August
Partly cloudy. High 90°, low 74°.
Pressure30.03 inHg
Wind11.1 mph SW
Humidity37%
Visibility—
Dew point56°
Tue, 1892° / 76°0
Morning80°feels 80°
Afternoon90°feels 88°
Evening90°feels 89°
Overnight81°feels 81°
92 °
Happy Valley, Tuesday, 18 August
Partly cloudy. High 92°, low 76°.
Pressure29.94 inHg
Wind11.5 mph SW
Humidity32%
Visibility—
Dew point54°
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 Happy Valley, 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.