Redlands, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Redlands weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Mostly Clear——92°66°—
- MondayJul 6Clear——94°61°+2°
- TuesdayJul 7Clear——96°63°+2°
- WednesdayJul 8Clear——101°65°+5°
- ThursdayJul 9Clear——101°67°0°
- FridayJul 10Overcast——99°65°-2°
- SaturdayJul 11Overcast——96°64°-3°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.72 fine-to-coarse ratio and 3 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 33 now. With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 around 1 PM.
- Present
- AQI 33
- UV peak
- 10.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 47
PM × Wind × Precip
PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.72 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.72
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:04 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Redlands at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- 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 codes: 92373, 92374
16-Day Forecast — Redlands
- Sun92°66°1%
- Mon94°61°1%
- Tue96°63°0%
- Wed101°65°0%
- Thu101°67°0%
- Fri99°65°0%
- Sat96°64°1%
- Sun98°65°2%
- Mon99°68°12%
- Tue97°76°18%
- Wed102°76°8%
- Thu101°76°21%
- Fri108°79°18%
- Sat116°85°10%
- Sun102°80°10%
- Mon99°74°10%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Redlands
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
The year in Redlands tops out in August (~80°F) and dips lowest in December (~50°F), with February wettest at 2.7 inches and June driest at 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 50° | 2.5″ | 11 |
| February | 52° | 2.7″ | 10 |
| March | 54° | 2.5″ | 13 |
| April | 60° | 1.2″ | 9 |
| May | 67° | 0.4″ | 6 |
| June | 73° | 0.0″ | 2 |
| July | 79° | 0.4″ | 3 |
| August | 80° | 0.3″ | 3 |
| September | 76° | 0.3″ | 3 |
| October | 68° | 0.5″ | 5 |
| November | 57° | 1.2″ | 7 |
| December | 50° | 2.2″ | 10 |
Regional context
Redlands's climate, from NOAA NCEI 1991-2020 station normals, pairs 50°F Januarys with 79°F Julys — a 29°F swing. About 14.3 inches of precipitation falls over roughly 81 days a year.
Cool-season fronts carry Redlands's rain: February logs 2.7 inches on 10.2 days, against June's 0.0 inches on 1.8 — winter does the heavy lifting in Redlands. That groups Redlands with places like Mentone, CA, Highland, CA and Loma Linda, CA on the same cool-season storm track.
Redlands rarely sees a hard freeze — its coldest month sits near 50°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. Redlands's coastal lots stay 4-7°F milder overnight than Redlands's inland parcels.
Similar climates: Mentone, CA, Highland, CA, Loma Linda, CA, Yucaipa, CA, Calimesa, CA.
Frequently asked
- When does it freeze in Redlands?
- In Redlands, expect the last spring frost near mid-March; Redlands's first autumn frost comes around mid-December.
- What is the rainy season in Redlands?
- Redlands sees its heaviest rain in February (around 2.7 inches), part of roughly 14 inches a year.
- What is the warmest month in Redlands?
- Redlands peaks in August, when the mean runs near 80°F.
- What is the coldest month in Redlands?
- December is Redlands's coldest month, averaging about 50°F.
- When can I start a vegetable garden in Redlands?
- In Redlands, sow peas and hardy greens around mid-March; Redlands's tomatoes and peppers wait two weeks more.
- How many rainy days does Redlands get?
- Expect roughly 81 wet days a year in Redlands.
- What hardiness zone is Redlands?
- Because Redlands bottoms near 50°F in December, that winter low sets Redlands's USDA zone — verify by ZIP.
- What is the 10-day forecast for Redlands?
- Redlands'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 Redlands?
- See this week's day-by-day rain chances for Redlands in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Redlands?
- Current conditions for Redlands and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Redlands forecast updated?
- The Redlands forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Redlands?
- Today's sunrise and sunset times for Redlands 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 Redlands?
- The next few days in Redlands's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The hot-summer Mediterranean climate of Redlands, California carries typical Januarys near 50°F and Julys around 79°F — 29°F of seasonal travel.
Rain and snow bring Redlands roughly 14 inches a year across approximately 81 measurable-precipitation days.
Redlands sits at 34.1°N; that 29°F seasonal swing frames planting windows and frost dates across Redlands.
ZIP codes in Redlands
- 92359
- 92373
- 92374
- 92346
- 92375