Winter Gardens, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Winter Gardens weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——88°63°—
- MondayJul 6Mostly Clear——87°61°-1°
- TuesdayJul 7Overcast——88°61°+1°
- WednesdayJul 8Clear——91°67°+3°
- ThursdayJul 9Clear——91°69°0°
- FridayJul 10Overcast——91°70°0°
- SaturdayJul 11Overcast——85°70°-6°
AQI 45 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.0 µg/m³ (AQI 53) with a 0.70 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 37 now. With UV 9.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 49 around 1 PM.
- Present
- AQI 37
- UV peak
- 9.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5 at 10.0 µg/m³ (AQI 53) with a 0.70 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.70
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:03 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Winter Gardens at a glance
- Today vs. normal: 81°F — typical for the season
- Last frost: March 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Winter Gardens
- Sun88°63°0%
- Mon87°61°0%
- Tue88°61°0%
- Wed91°67°0%
- Thu91°69°0%
- Fri91°70°0%
- Sat85°70°1%
- Sun91°69°4%
- Mon95°70°15%
- Tue93°76°16%
- Wed96°77°6%
- Thu100°79°13%
- Fri101°79°19%
- Sat98°77°15%
- Sun96°77°14%
- Mon100°74°13%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Microseason · July 1–5
Summer heat deepens across the valleys
Inland temperatures exceed 95°F regularly; fire danger reaches moderate to high across most of the region.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
In Winter Gardens, August runs warmest near 74°F and January coldest around 55°F, while February is the wettest month (2.1 inches) and July the driest (0.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 55° | 2.0″ | 10 |
| February | 56° | 2.1″ | 10 |
| March | 58° | 1.9″ | 12 |
| April | 61° | 1.0″ | 10 |
| May | 64° | 0.3″ | 10 |
| June | 68° | 0.1″ | 8 |
| July | 73° | 0.1″ | 3 |
| August | 74° | 0.1″ | 4 |
| September | 73° | 0.1″ | 5 |
| October | 68° | 0.3″ | 6 |
| November | 61° | 1.0″ | 7 |
| December | 55° | 2.0″ | 9 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Winter Gardens sees 55°F Januarys and 73°F Julys, a 18°F range, plus around 11 inches of precipitation across 94 days.
Winter Gardens's moisture rides winter storm tracks: February brings 2.1 inches over 9.6 wet days, while July sees only 0.1 inches across 3.0 days in the dry warm season. It is a winter-storm rhythm Winter Gardens shares with places like Bostonia, CA, Lakeside, CA and Granite Hills, CA.
Freezes are uncommon in Winter Gardens, where the coldest month averages 55°F; cool-season crops grow fall through spring. Summer heat in August (about 74°F) is the binding constraint, not cold. Within Winter Gardens, low or inland lots lose 3-5°F overnight versus Winter Gardens's coastal ground.
Similar climates: Bostonia, CA, Lakeside, CA, Granite Hills, CA, El Cajon, CA, Eucalyptus Hills, CA.
Frequently asked
- When does it freeze in Winter Gardens?
- In Winter Gardens, expect the last spring frost near mid-March; Winter Gardens's first autumn frost comes around mid-December.
- What is the rainy season in Winter Gardens?
- Winter Gardens sees its heaviest rain in February (around 2.1 inches), part of roughly 11 inches a year.
- What is the warmest month in Winter Gardens?
- Winter Gardens peaks in August, when the mean runs near 74°F.
- What is the coldest month in Winter Gardens?
- January is Winter Gardens's coldest month, averaging about 55°F.
- When can I start a vegetable garden in Winter Gardens?
- In Winter Gardens, sow peas and hardy greens around mid-March; Winter Gardens's tomatoes and peppers wait two weeks more.
- How many rainy days does Winter Gardens get?
- Winter Gardens records around 94 days of measurable precipitation annually.
- What hardiness zone is Winter Gardens?
- With January around 55°F, Winter Gardens's zone reflects that minimum — the USDA ZIP map confirms Winter Gardens's band.
- What is the 10-day forecast for Winter Gardens?
- Winter Gardens's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Winter Gardens?
- See this week's day-by-day rain chances for Winter Gardens in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Winter Gardens?
- Current conditions for Winter Gardens and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Winter Gardens forecast updated?
- The Winter Gardens forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Winter Gardens?
- Today's sunrise and sunset times for Winter Gardens are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Winter Gardens?
- The next few days in Winter Gardens's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The hot-summer Mediterranean climate of Winter Gardens, California carries typical Januarys near 55°F and Julys around 73°F — 18°F of seasonal travel.
Winter Gardens sees close to 11 inches of precipitation annually, falling across some 94 wet days.
Winter Gardens sits at 32.8°N; that 18°F seasonal swing frames planting windows and frost dates across Winter Gardens.
ZIP codes in Winter Gardens
- 92021
- 92040