Lake Forest, California Weather Forecast
Today in Lake Forest: clear skies with a high near 94°F and a low around 70°F. Rain chance 1%. Best chance of rain is Wednesday at 61%. Cooling trend: highs fall from 94°F today to 81°F by Monday.
Forecast updated 7:05 PM PDT, Oct 16
Active Weather Alerts
7-Day Forecast for Lake Forest
Today 10/16
94°70°
Sat 10/17
89°72°
Sun 10/18
85°67°
Mon 10/19
81°64°
Tue 10/20
25%
72°60°
Wed 10/21
61%
68°58°
Thu 10/22
50%
66°56°
Next 24 Hours
| Now | 8 PM | 9 PM | 10 PM | 11 PM | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky | |  | | | | |  | | | | | | |  | | | | | | | | | | |
| Temp | 87° | 84° | 83° | 81° | 81° | 79° | 78° | 77° | 76° | 76° | 75° | 74° | 73° | 74° | 78° | 81° | 84° | 86° | 88° | 89° | 88° | 87° | 86° | 83° |
| Rain | 0% | 0% | 0% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 2% | 1% | 1% | 2% | 2% | 2% | 1% | 2% | 2% | 2% | 2% | 2% | 2% |
| Wind | E 14 | ENE 15 | ENE 16 | ENE 15 | ENE 15 | ENE 14 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | E 11 | E 11 | E 11 | E 11 | ENE 11 | ENE 10 | ENE 8 | ENE 7 | ENE 5 | NE 5 | E 5 | S 5 | S 3 |
Growing Conditions
Growing degree days
3,965
since Apr 1, base 50°F
Rain, last 30 days
0.54 in
model analysis
Rain, year to date
8.15 in
since Jan 1
2-inch soil temperature
70°F
yesterday, daily average
Reference ET, last 7 days
1.06 in
FAO-56 grass reference
Through Oct 15. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Lake Forest →
Current Stats & Observations
NWS Forecast
About Lake Forest Weather
Lake Forest sits at about 666 feet above sea level in Orange County, California. About 85,531 people live in the Lake Forest area. Official forecasts and warnings for the area come from the National Weather Service SGX office, and the nearest NEXRAD radar site is KSOX. The city is in USDA plant hardiness zone 10b, where the coldest winter night typically falls between 35 to 40°F. Freezing temperatures are rare here.
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