La Presa, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
La Presa weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——83°64°—
- MondayJul 6Overcast——83°63°0°
- TuesdayJul 7Overcast——85°61°+2°
- WednesdayJul 8Clear——88°71°+3°
- ThursdayJul 9Clear——88°73°0°
- FridayJul 10Partly Cloudy——89°74°+1°
- SaturdayJul 11Overcast——83°73°-6°
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.5 µg/m³, PM10 at 17.3 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
PM × Wind × Precip
PM2.5 at 12.5 µg/m³, PM10 at 17.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.72
- 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
- 11:03 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
La Presa at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: March 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — La Presa
- Sun83°64°0%
- Mon83°63°1%
- Tue85°61°0%
- Wed88°71°0%
- Thu88°73°0%
- Fri89°74°0%
- Sat83°73°1%
- Sun92°73°4%
- Mon94°75°12%
- Tue92°79°12%
- Wed93°80°5%
- Thu99°84°20%
- Fri100°84°14%
- Sat97°80°12%
- Sun93°81°13%
- Mon97°78°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
August is La Presa's warmest stretch (~74°F) and January its coldest (~55°F); precipitation crests in February at 2.1 inches and ebbs in July to 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
Per NOAA NCEI 1991-2020 normals, La Presa runs from a 55°F January mean to 73°F in July, a 18°F seasonal spread, with near 11 inches of precipitation across about 94 wet days.
Precipitation in La Presa 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 La Presa shares with places like Spring Valley, CA, Lemon Grove, CA and Bonita, CA.
Hard freezes are rare in La Presa: the coldest month averages 55°F, so La Presa's growing window runs most of the year. August is the hottest stretch near 74°F, pushing cool-season crops to the milder shoulder months. La Presa's coastal lots stay 4-7°F milder overnight than La Presa's inland parcels.
Similar climates: Spring Valley, CA, Lemon Grove, CA, Bonita, CA, Casa de Oro-Mount Helix, CA, La Mesa, CA.
Frequently asked
- When does it freeze in La Presa?
- In La Presa, expect the last spring frost near mid-March; La Presa's first autumn frost comes around mid-December.
- What is the rainy season in La Presa?
- February is the wettest month in La Presa, about 2.1 inches on average; the year totals roughly 11 inches.
- What is the warmest month in La Presa?
- The warmest stretch in La Presa comes in August, around 74°F on average.
- What is the coldest month in La Presa?
- On average January is the chilliest month in La Presa, about 55°F.
- When can I start a vegetable garden in La Presa?
- Time tomatoes in La Presa for two weeks after mid-March; peas and greens start at La Presa's frost line.
- How many rainy days does La Presa get?
- La Presa averages about 94 days with measurable rain or snow each year.
- What hardiness zone is La Presa?
- La Presa sits in the USDA zone set by January lows near 55°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for La Presa?
- La Presa'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 La Presa?
- See this week's day-by-day rain chances for La Presa in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in La Presa?
- Current conditions for La Presa and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the La Presa forecast updated?
- The La Presa forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in La Presa?
- Today's sunrise and sunset times for La Presa 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 La Presa?
- The next few days in La Presa's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
La Presa's hot-summer Mediterranean climate in California pairs 55°F Januarys with 73°F Julys, 18°F apart across the seasons.
In a typical year La Presa records about 11 inches of precipitation on around 94 days.
The 18°F gap between La Presa's summer and winter, at 32.7°N, shapes La Presa's frost calendar.
ZIP codes in La Presa
- 91977