Bonita, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Bonita weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——78°65°—
- MondayJul 6Overcast——79°62°+1°
- TuesdayJul 7Overcast——78°62°-1°
- WednesdayJul 8Clear——80°67°+2°
- ThursdayJul 9Clear——83°68°+3°
- FridayJul 10Overcast——82°69°-1°
- SaturdayJul 11Overcast——80°69°-2°
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.0 µg/m³ (AQI 56) with a 0.74 fine-to-coarse ratio and 4 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 12.0 µg/m³ (AQI 56) with a 0.74 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.74
- 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
- 11:03 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Bonita at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: March 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 91902
16-Day Forecast — Bonita
- Sun78°65°0%
- Mon79°62°1%
- Tue78°62°0%
- Wed80°67°0%
- Thu83°68°0%
- Fri82°69°0%
- Sat80°69°1%
- Sun81°70°4%
- Mon81°71°11%
- Tue78°71°11%
- Wed85°73°4%
- Thu93°75°20%
- Fri96°79°14%
- Sat93°82°12%
- Sun89°77°13%
- Mon87°75°9%
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 | 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
In Bonita, August runs warmest near 74°F and January coldest around 55°F, while February is the wettest month (2.1 inches) and July the driest (0.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 55° | 2.0″ | 10 |
| February | 56° | 2.1″ | 10 |
| March | 58° | 1.9″ | 12 |
| April | 61° | 1.0″ | 10 |
| May | 64° | 0.3″ | 10 |
| June | 68° | 0.1″ | 8 |
| July | 73° | 0.1″ | 3 |
| August | 74° | 0.1″ | 4 |
| September | 73° | 0.1″ | 5 |
| October | 68° | 0.3″ | 6 |
| November | 61° | 1.0″ | 7 |
| December | 55° | 2.0″ | 9 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Bonita's January averages 55°F and July 73°F — 18°F apart — while precipitation totals roughly 11 inches over some 94 days.
Precipitation in Bonita peaks in the cool season: February averages 2.1 inches across 9.6 storm-fed days, while July bottoms out at 0.1 inches over just 3.0 rainy days. It is a winter-storm rhythm Bonita shares with places like Chula Vista, CA, La Presa, CA and National City, CA.
Bonita rarely sees a hard freeze — its coldest month sits near 55°F — so planting spans most of the calendar. Heat peaks in August around 74°F, which confines cool-season crops to the shoulders of summer. Within Bonita, low or inland lots lose 3-5°F overnight versus Bonita's coastal ground.
Similar climates: Chula Vista, CA, La Presa, CA, National City, CA, Lemon Grove, CA, Spring Valley, CA.
Frequently asked
- When does it freeze in Bonita?
- Frost typically leaves Bonita by mid-March and returns to Bonita near mid-December.
- What is the rainy season in Bonita?
- Bonita sees its heaviest rain in February (around 2.1 inches), part of roughly 11 inches a year.
- What is the warmest month in Bonita?
- On average August tops the year in Bonita at about 74°F.
- What is the coldest month in Bonita?
- The coldest stretch in Bonita falls in January, around 55°F on average.
- When can I start a vegetable garden in Bonita?
- Hardy spring crops go in near mid-March in Bonita; tender peppers and squash wait 10–14 days.
- How many rainy days does Bonita get?
- Bonita averages about 94 days with measurable rain or snow each year.
- What hardiness zone is Bonita?
- Because Bonita bottoms near 55°F in January, that winter low sets Bonita's USDA zone — verify by ZIP.
- What is the 10-day forecast for Bonita?
- Bonita'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 Bonita?
- See this week's day-by-day rain chances for Bonita in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Bonita?
- Current conditions for Bonita and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Bonita forecast updated?
- The Bonita forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Bonita?
- Today's sunrise and sunset times for Bonita 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 Bonita?
- The next few days in Bonita's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Bonita, California, the hot-summer Mediterranean climate runs from about 55°F in January to 73°F in July, a 18°F seasonal range.
In a typical year Bonita records about 11 inches of precipitation on around 94 days.
Bonita's 18°F range, set by its 32.7°N position, drives frost timing and what thrives in Bonita.
ZIP codes in Bonita
- 91910
- 91902