Foothill Farms, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Foothill Farms weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——90°61°—
- MondayJul 6Overcast——89°58°-1°
- TuesdayJul 7Overcast——93°58°+4°
- WednesdayJul 8Clear——97°62°+4°
- ThursdayJul 9Clear——100°66°+3°
- FridayJul 10Overcast——102°68°+2°
- SaturdayJul 11Overcast——104°72°+2°
AQI 30 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.72 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
PM × Wind × Precip
PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.72 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.72
- 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
- 11:25 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Foothill Farms at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Foothill Farms
- Sun90°61°1%
- Mon89°58°1%
- Tue93°58°0%
- Wed97°62°0%
- Thu100°66°0%
- Fri102°68°0%
- Sat104°72°0%
- Sun85°74°1%
- Mon102°70°3%
- Tue109°76°4%
- Wed108°74°1%
- Thu109°74°3%
- Fri110°79°3%
- Sat107°77°3%
- Sun103°75°3%
- Mon103°71°6%
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 | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
The year in Foothill Farms tops out in July (~76°F) and dips lowest in December (~46°F), with January wettest at 3.7 inches and July driest at 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 47° | 3.7″ | 6 |
| February | 50° | 3.5″ | 7 |
| March | 54° | 2.6″ | 6 |
| April | 59° | 1.2″ | 3 |
| May | 66° | 0.6″ | 2 |
| June | 73° | 0.2″ | 1 |
| July | 76° | 0.0″ | 0 |
| August | 75° | 0.1″ | 0 |
| September | 72° | 0.1″ | 0 |
| October | 64° | 0.8″ | 2 |
| November | 53° | 1.8″ | 4 |
| December | 46° | 3.3″ | 7 |
Regional context
Foothill Farms swings from 47°F in January to 76°F in July (30°F) per NOAA NCEI 1991-2020 normals; precipitation in Foothill Farms runs about 18 inches on roughly 36 measurable days.
Precipitation in Foothill Farms peaks in the cool season: January averages 3.7 inches across 5.9 storm-fed days, while July bottoms out at 0.0 inches over just 0.0 rainy days. It is a winter-storm rhythm Foothill Farms shares with places like North Highlands, CA, Antelope, CA and Citrus Heights, CA.
With a coldest-month mean of 46°F, Foothill Farms stays mostly frost-free and grows year-round. The July peak near 76°F is Foothill Farms's real limit, pushing cool-season vegetables to spring and fall. Foothill Farms's coastal lots stay 4-7°F milder overnight than Foothill Farms's inland parcels.
Similar climates: North Highlands, CA, Antelope, CA, Citrus Heights, CA, McClellan Park, CA, Carmichael, CA.
Frequently asked
- When does it freeze in Foothill Farms?
- Frost typically leaves Foothill Farms by mid-April and returns to Foothill Farms near mid-November.
- What is the rainy season in Foothill Farms?
- January is the wettest month in Foothill Farms, about 3.7 inches on average; the year totals roughly 18 inches.
- What is the warmest month in Foothill Farms?
- The warmest stretch in Foothill Farms comes in July, around 76°F on average.
- What is the coldest month in Foothill Farms?
- On average December is the chilliest month in Foothill Farms, about 46°F.
- When can I start a vegetable garden in Foothill Farms?
- Frost-hardy sowings begin at mid-April in Foothill Farms; warm-season starts follow two weeks on.
- How many rainy days does Foothill Farms get?
- Expect roughly 36 wet days a year in Foothill Farms.
- What hardiness zone is Foothill Farms?
- Foothill Farms sits in the USDA zone set by December lows near 46°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Foothill Farms?
- Foothill Farms'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 Foothill Farms?
- See this week's day-by-day rain chances for Foothill Farms in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Foothill Farms?
- Current conditions for Foothill Farms and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Foothill Farms forecast updated?
- The Foothill Farms forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Foothill Farms?
- Today's sunrise and sunset times for Foothill Farms 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 Foothill Farms?
- The next few days in Foothill Farms's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Foothill Farms, California occupies a hot-summer Mediterranean zone, with January means near 47°F and July around 76°F — a 29°F swing.
Foothill Farms sees close to 18 inches of precipitation annually, falling across some 36 wet days.
Latitude 38.7°N gives Foothill Farms its 29°F swing, and with it the rhythm of Foothill Farms's growing season.
ZIP codes in Foothill Farms
- 95842
- 95841