Eastvale, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Eastvale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——90°65°—
- MondayJul 6Clear——91°60°+1°
- TuesdayJul 7Clear——95°64°+4°
- WednesdayJul 8Clear——98°76°+3°
- ThursdayJul 9Clear——99°78°+1°
- FridayJul 10Mostly Clear——96°75°-3°
- SaturdayJul 11Overcast——94°76°-2°
AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 14.9 µg/m³, PM10 at 18.6 µg/m³ — typical background levels with no transport signature.
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 33 now. With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 45 around 1 PM.
- Present
- AQI 33
- UV peak
- 10.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 45
PM × Wind × Precip
PM2.5 at 14.9 µg/m³, PM10 at 18.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.80
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:06 PM
- Moonset
- 11:09 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Eastvale at a glance
- Today vs. normal: 80°F — typical for the season
- Last frost: March 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 92880
16-Day Forecast — Eastvale
- Sun88°65°1%
- Mon91°60°1%
- Tue95°64°0%
- Wed98°76°0%
- Thu99°78°0%
- Fri96°75°0%
- Sat94°76°1%
- Sun96°76°1%
- Mon97°77°6%
- Tue96°78°12%
- Wed103°80°6%
- Thu101°82°13%
- Fri111°86°14%
- Sat114°92°12%
- Sun100°85°19%
- Mon100°81°18%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Eastvale
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
Eastvale peaks at about 80°F in August and bottoms near 52°F in January; February brings the heaviest rain (3.4 inches) and August the least (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 52° | 3.3″ | 11 |
| February | 54° | 3.4″ | 10 |
| March | 57° | 3.0″ | 13 |
| April | 62° | 1.5″ | 10 |
| May | 67° | 0.5″ | 7 |
| June | 73° | 0.1″ | 3 |
| July | 79° | 0.1″ | 1 |
| August | 80° | 0.0″ | 1 |
| September | 76° | 0.1″ | 2 |
| October | 69° | 0.5″ | 5 |
| November | 59° | 1.6″ | 8 |
| December | 53° | 2.6″ | 10 |
Regional context
Eastvale's climate, from NOAA NCEI 1991-2020 station normals, pairs 52°F Januarys with 79°F Julys — a 27°F swing. About 16.7 inches of precipitation falls over roughly 82 days a year.
Cool-season fronts carry Eastvale's rain: February logs 3.4 inches on 9.9 days, against August's 0.0 inches on 0.9 — winter does the heavy lifting in Eastvale. That cool-season-wet pattern aligns Eastvale with places like Norco, CA, Chino, CA and Ontario, CA.
Eastvale rarely sees a hard freeze — its coldest month sits near 52°F — so planting spans most of the calendar. Heat peaks in August around 80°F, which confines cool-season crops to the shoulders of summer. Across Eastvale, elevation and tree cover drive a 4-7°F spread in Eastvale's overnight lows.
Similar climates: Norco, CA, Chino, CA, Ontario, CA, Coronita, CA, Jurupa Valley, CA.
Frequently asked
- When does it freeze in Eastvale?
- Frost typically leaves Eastvale by mid-March and returns to Eastvale near mid-December.
- What is the rainy season in Eastvale?
- Eastvale sees its heaviest rain in February (around 3.4 inches), part of roughly 17 inches a year.
- What is the warmest month in Eastvale?
- Eastvale peaks in August, when the mean runs near 80°F.
- What is the coldest month in Eastvale?
- January is Eastvale's coldest month, averaging about 52°F.
- When can I start a vegetable garden in Eastvale?
- In Eastvale, sow peas and hardy greens around mid-March; Eastvale's tomatoes and peppers wait two weeks more.
- How many rainy days does Eastvale get?
- Eastvale records around 82 days of measurable precipitation annually.
- What hardiness zone is Eastvale?
- With January around 52°F, Eastvale's zone reflects that minimum — the USDA ZIP map confirms Eastvale's band.
- What is the 10-day forecast for Eastvale?
- Eastvale'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 Eastvale?
- See this week's day-by-day rain chances for Eastvale in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Eastvale?
- Current conditions for Eastvale and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Eastvale forecast updated?
- The Eastvale forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Eastvale?
- Today's sunrise and sunset times for Eastvale 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 Eastvale?
- The next few days in Eastvale's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Eastvale, California, the hot-summer Mediterranean climate runs from about 52°F in January to 79°F in July, a 27°F seasonal range.
Eastvale sees close to 17 inches of precipitation annually, falling across some 82 wet days.
From 34.0°N, Eastvale sees a 27°F seasonal swing that governs Eastvale's planting and frost windows.
ZIP codes in Eastvale
- 92880
- 91752