10-day forecast for El Cajon, CA: 68° to 89°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, August 9
78° · 0.05 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1089° / 68°0
Morning76°feels 76°
Afternoon88°feels 87°
Evening81°feels 81°
Overnight71°feels 71°
89 °
El Cajon, Monday, 10 August
Mostly clear. High 89°, low 68°.
Pressure29.91 inHg
Wind9.7 mph W
Humidity40%
Visibility6.2 mi
Dew point60°
Tue, 1189° / 75°0.01
Morning77°feels 78°
Afternoon89°feels 88°
Evening81°feels 81°
Overnight75°feels 75°
89 °
El Cajon, Tuesday, 11 August
Light rain. High 89°, low 75°.
Pressure29.94 inHg
Wind8.2 mph W
Humidity36%
Visibility6.2 mi
Dew point57°
Wed, 1287° / 74°0
Morning75°feels 75°
Afternoon87°feels 86°
Evening77°feels 77°
Overnight75°feels 75°
87 °
El Cajon, Wednesday, 12 August
Clear. High 87°, low 74°.
Pressure29.88 inHg
Wind8.3 mph W
Humidity34%
Visibility6.2 mi
Dew point55°
Thu, 1383° / 71°0
Morning73°feels 74°
Afternoon79°feels 79°
Evening79°feels 79°
Overnight72°feels 72°
83 °
El Cajon, Thursday, 13 August
Overcast. High 83°, low 71°.
Pressure29.91 inHg
Wind9.5 mph W
Humidity53%
Visibility—
Dew point59°
Fri, 1485° / 69°0
Morning72°feels 72°
Afternoon78°feels 78°
Evening78°feels 78°
Overnight72°feels 72°
85 °
El Cajon, Friday, 14 August
Overcast. High 85°, low 69°.
Pressure29.97 inHg
Wind11.6 mph W
Humidity52%
Visibility—
Dew point58°
Sat, 1578° / 72°0.05
Morning74°feels 74°
Afternoon76°feels 76°
Evening75°feels 75°
Overnight73°feels 74°
78 °
El Cajon, Saturday, 15 August
Light rain. High 78°, low 72°.
Pressure30.00 inHg
Wind3.3 mph SW
Humidity56%
Visibility—
Dew point59°
Sun, 1686° / 72°0
Morning75°feels 75°
Afternoon82°feels 83°
Evening80°feels 81°
Overnight74°feels 75°
86 °
El Cajon, Sunday, 16 August
Overcast. High 86°, low 72°.
Pressure30.06 inHg
Wind10.6 mph W
Humidity54%
Visibility—
Dew point62°
Mon, 1789° / 72°0
Morning75°feels 75°
Afternoon84°feels 83°
Evening83°feels 82°
Overnight74°feels 73°
89 °
El Cajon, Monday, 17 August
Overcast. High 89°, low 72°.
Pressure30.06 inHg
Wind12.5 mph W
Humidity40%
Visibility—
Dew point55°
Tue, 1888° / 71°0
Morning75°feels 74°
Afternoon84°feels 83°
Evening83°feels 82°
Overnight74°feels 74°
88 °
El Cajon, Tuesday, 18 August
Mostly clear. High 88°, low 71°.
Pressure29.94 inHg
Wind10.6 mph W
Humidity39%
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 El Cajon, 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.