Hemet, California Weather
August begins in scorching stillness. Day 43 of summer. Read this microseason across nine climate regions →
Hemet weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Clear——105°71°—
- MondayAug 3Clear——104°68°-1°
- TuesdayAug 4Partly Cloudy——107°69°+3°
- WednesdayAug 5Clear——107°68°0°
- ThursdayAug 6Clear——103°68°-4°
- FridayAug 7Partly Cloudy——103°67°0°
- SaturdayAug 8Mostly Clear——103°68°0°
AQI 39 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.75 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 41 now. With UV 1.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10.
- Present
- AQI 41
- UV peak
- 1.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.75 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.75
- Wind
- calm
- 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).
Red sky at night, sailor's delight.
- Moonrise
- 9:32 PM
- Moonset
- 9:57 AM
- In sign
- ♓︎ Pisces
August begins in scorching stillness
Hemet at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: March 9 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 92543, 92544, 92545
16-Day Forecast — Hemet
- Sun105°71°0%
- Mon104°68°1%
- Tue107°69°0%
- Wed107°68°1%
- Thu103°68°2%
- Fri103°67°3%
- Sat103°68°4%
- Sun102°66°4%
- Mon98°65°3%
- Tue98°63°2%
- Wed99°64°2%
- Thu101°64°6%
- Fri103°65°20%
- Sat101°68°14%
- Sun103°65°6%
- Mon102°65°10%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Hemet
Right now in the garden
Peak growing season
As of August 2, 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.
Sun & seasons in Hemet
Hemet sits in Riverside County, where the year’s longest day runs 14h 24m of daylight and its shortest just 9h 54m — a swing of +4h 29m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Los Angeles, the state’s largest city, lies about 85 miles to the WNW. The nearest town Hemet tracks is Moreno Valley, roughly 18 miles to the NW.
Air quality in Hemet’s county has trended cleaner since 2020; its cleanest year on record was 2022 (median AQI 77). See the full air-quality history for Hemet.
Microseason · August 1–5
August begins in scorching stillness
Calm days dominate early August; temperatures peak; the entire ecosystem is in survival mode.
Day 214 of 365 · Wedge 43 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
The year in Hemet tops out in August (~80°F) and dips lowest in December (~52°F), with February wettest at 2.8 inches and June driest at 0.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 53° | 2.7″ | 4 |
| February | 54° | 2.8″ | 5 |
| March | 58° | 1.7″ | 4 |
| April | 61° | 0.8″ | 2 |
| May | 67° | 0.5″ | 1 |
| June | 73° | 0.1″ | 0 |
| July | 79° | 0.2″ | 0 |
| August | 80° | 0.1″ | 0 |
| September | 76° | 0.3″ | 1 |
| October | 68° | 0.5″ | 1 |
| November | 59° | 0.8″ | 2 |
| December | 52° | 1.9″ | 3 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Hemet's January averages 53°F and July 79°F — 26°F apart — while precipitation totals roughly 12.2 inches over some 23 days.
Cool-season fronts carry Hemet's rain: February logs 2.8 inches on 4.5 days, against June's 0.1 inches on 0.1 — winter does the heavy lifting in Hemet. That groups Hemet with places like East Hemet, CA, San Jacinto, CA and Winchester, CA on the same cool-season storm track.
Freezes are uncommon in Hemet, where the coldest month averages 52°F; cool-season crops grow fall through spring. Summer heat in August (about 80°F) is the binding constraint, not cold. Across Hemet, elevation and tree cover drive a 4-7°F spread in Hemet's overnight lows.
Similar climates: East Hemet, CA, San Jacinto, CA, Winchester, CA, Valle Vista, CA, Homeland, CA.
Naturalist notes
Late April brings the peak blooming period for California poppies across the region's hillsides.
May marks when migrating swallows typically return to establish their nesting colonies under local eaves and bridges.
Frequently asked
- When does it freeze in Hemet?
- Frost typically leaves Hemet by mid-March and returns to Hemet near mid-December.
- What is the rainy season in Hemet?
- Rainfall in Hemet peaks in February near 2.8 inches, out of about 12 inches annually.
- What is the warmest month in Hemet?
- Hemet peaks in August, when the mean runs near 80°F.
- What is the coldest month in Hemet?
- December is Hemet's coldest month, averaging about 52°F.
- When can I start a vegetable garden in Hemet?
- Around mid-March, start frost-hardy crops in Hemet; tomatoes and basil belong a fortnight later.
- How many rainy days does Hemet get?
- Hemet records around 23 days of measurable precipitation annually.
- What hardiness zone is Hemet?
- Because Hemet bottoms near 52°F in December, that winter low sets Hemet's USDA zone — verify by ZIP.
- What is the 10-day forecast for Hemet?
- Hemet'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 Hemet?
- See this week's day-by-day rain chances for Hemet in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Hemet?
- Current conditions for Hemet and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Hemet forecast updated?
- The Hemet forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Hemet?
- Today's sunrise and sunset times for Hemet 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 Hemet?
- The next few days in Hemet's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Hemet, California, the hot-summer Mediterranean climate runs from about 53°F in January to 79°F in July, a 26°F seasonal range.
In a typical year Hemet records about 12 inches of precipitation on around 23 days.
From 33.7°N, Hemet sees a 26°F seasonal swing that governs Hemet's planting and frost windows.
ZIP codes in Hemet
- 92545
- 92543
- 92546