10-day forecast for San Dimas, CA: 69° to 100°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
100°
Best day: Sunday, August 9
78°
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1096° / 71°0
Morning77°feels 77°
Afternoon96°feels 95°
Evening81°feels 81°
Overnight73°feels 72°
96 °
San Dimas, Monday, 10 August
Partly cloudy. High 96°, low 71°.
Pressure29.94 inHg
Wind10.2 mph SW
Humidity30%
Visibility6.2 mi
Dew point54°
Tue, 1193° / 75°0
Morning79°feels 79°
Afternoon92°feels 89°
Evening80°feels 80°
Overnight76°feels 76°
93 °
San Dimas, Tuesday, 11 August
Mostly clear. High 93°, low 75°.
Pressure29.97 inHg
Wind10 mph SW
Humidity30%
Visibility6.2 mi
Dew point52°
Wed, 1287° / 72°0
Morning76°feels 75°
Afternoon87°feels 85°
Evening77°feels 76°
Overnight74°feels 74°
87 °
San Dimas, Wednesday, 12 August
Partly cloudy. High 87°, low 72°.
Pressure29.91 inHg
Wind8.9 mph SW
Humidity31%
Visibility6.2 mi
Dew point50°
Thu, 1385° / 69°0
Morning72°feels 72°
Afternoon80°feels 80°
Evening80°feels 80°
Overnight70°feels 70°
85 °
San Dimas, Thursday, 13 August
Clear. High 85°, low 69°.
Pressure29.94 inHg
Wind9.6 mph SW
Humidity43%
Visibility—
Dew point54°
Fri, 1483° / 69°0
Morning73°feels 72°
Afternoon80°feels 80°
Evening81°feels 80°
Overnight76°feels 76°
83 °
San Dimas, Friday, 14 August
Overcast. High 83°, low 69°.
Pressure30.00 inHg
Wind10.3 mph SW
Humidity42%
Visibility—
Dew point54°
Sat, 1578° / 71°0.04
Morning72°feels 72°
Afternoon77°feels 77°
Evening76°feels 76°
Overnight71°feels 72°
78 °
San Dimas, Saturday, 15 August
Light rain. High 78°, low 71°.
Pressure30.03 inHg
Wind6.5 mph SW
Humidity55%
Visibility—
Dew point58°
Sun, 1686° / 69°0
Morning73°feels 73°
Afternoon82°feels 82°
Evening82°feels 82°
Overnight73°feels 73°
86 °
San Dimas, Sunday, 16 August
Overcast. High 86°, low 69°.
Pressure30.09 inHg
Wind11.6 mph SW
Humidity48%
Visibility—
Dew point58°
Mon, 1788° / 71°0
Morning74°feels 74°
Afternoon83°feels 82°
Evening84°feels 82°
Overnight74°feels 73°
88 °
San Dimas, Monday, 17 August
Overcast. High 88°, low 71°.
Pressure30.09 inHg
Wind11 mph SW
Humidity39%
Visibility—
Dew point54°
Tue, 1889° / 72°0
Morning75°feels 75°
Afternoon84°feels 83°
Evening85°feels 83°
Overnight75°feels 75°
89 °
San Dimas, Tuesday, 18 August
Overcast. High 89°, low 72°.
Pressure29.97 inHg
Wind10.4 mph SW
Humidity37%
Visibility—
Dew point53°
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 San Dimas, 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.