North Highlands, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
North Highlands weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——90°61°—
- MondayJul 6Overcast——89°58°-1°
- TuesdayJul 7Overcast——94°58°+5°
- WednesdayJul 8Clear——99°58°+5°
- ThursdayJul 9Clear——101°62°+2°
- FridayJul 10Overcast——104°64°+3°
- SaturdayJul 11Overcast——104°68°0°
AQI 29 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.0 µg/m³ (AQI 39) with a 0.72 fine-to-coarse ratio and 5 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 7.0 µg/m³ (AQI 39) with a 0.72 fine-to-coarse ratio and 5 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
- 11:24 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
North Highlands at a glance
- Today vs. normal: 73°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.
ZIP code: 95660
16-Day Forecast — North Highlands
- Sun90°61°0%
- Mon89°58°1%
- Tue94°58°0%
- Wed99°58°0%
- Thu101°62°0%
- Fri104°64°0%
- Sat104°68°0%
- Sun85°71°1%
- Mon104°68°3%
- Tue110°71°4%
- Wed109°71°1%
- Thu110°71°3%
- Fri112°76°3%
- Sat108°74°3%
- Sun104°71°3%
- Mon104°65°6%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near North Highlands
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
In North Highlands, July runs warmest near 76°F and December coldest around 46°F, while January is the wettest month (3.7 inches) and July the driest (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
Drawing on NOAA NCEI 1991-2020 normals, North Highlands's January averages 47°F and July 76°F — 30°F apart — while precipitation totals roughly 18 inches over some 36 days.
Cool-season fronts carry North Highlands's rain: January logs 3.7 inches on 5.9 days, against July's 0.0 inches on 0.0 — winter does the heavy lifting in North Highlands. That cool-season-wet pattern aligns North Highlands with places like McClellan Park, CA, Foothill Farms, CA and Antelope, CA.
Freezes are uncommon in North Highlands, where the coldest month averages 46°F; cool-season crops grow fall through spring. Summer heat in July (about 76°F) is the binding constraint, not cold. North Highlands's coastal lots stay 4-7°F milder overnight than North Highlands's inland parcels.
Similar climates: McClellan Park, CA, Foothill Farms, CA, Antelope, CA, Carmichael, CA, Rio Linda, CA.
Frequently asked
- When does it freeze in North Highlands?
- North Highlands's last spring frost lands near mid-April, and in North Highlands the first fall frost follows around mid-November.
- What is the rainy season in North Highlands?
- January is the wettest month in North Highlands, about 3.7 inches on average; the year totals roughly 18 inches.
- What is the warmest month in North Highlands?
- On average July tops the year in North Highlands at about 76°F.
- What is the coldest month in North Highlands?
- The coldest stretch in North Highlands falls in December, around 46°F on average.
- When can I start a vegetable garden in North Highlands?
- Around mid-April, start frost-hardy crops in North Highlands; tomatoes and basil belong a fortnight later.
- How many rainy days does North Highlands get?
- North Highlands records around 36 days of measurable precipitation annually.
- What hardiness zone is North Highlands?
- Since December in North Highlands averages 46°F, North Highlands's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for North Highlands?
- North Highlands'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 North Highlands?
- See this week's day-by-day rain chances for North Highlands in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in North Highlands?
- Current conditions for North Highlands and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the North Highlands forecast updated?
- The North Highlands forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in North Highlands?
- Today's sunrise and sunset times for North Highlands 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 North Highlands?
- The next few days in North Highlands's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a hot-summer Mediterranean zone, North Highlands, California swings from 47°F in the heart of winter to 76°F at midsummer — a 29°F arc.
Yearly precipitation in North Highlands totals around 18 inches, spread over about 36 days of rain or snow.
North Highlands sits at 38.7°N; that 29°F seasonal swing frames planting windows and frost dates across North Highlands.
ZIP codes in North Highlands
- 95660
- 95841