Broadmoor, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Broadmoor weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——58°53°—
- MondayJul 6Foggy——57°53°-1°
- TuesdayJul 7Foggy——64°53°+7°
- WednesdayJul 8Overcast——69°56°+5°
- ThursdayJul 9Overcast——67°57°-2°
- FridayJul 10Overcast——70°55°+3°
- SaturdayJul 11Overcast——77°57°+7°
AQI 26 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 4.5 µg/m³ (AQI 25), ratio 0.66 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
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 4.5 µg/m³ (AQI 25), ratio 0.66 with 9 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.66
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 11:29 PM
- Moonset
- 11:28 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Broadmoor at a glance
- Today vs. normal: 17°F below the seasonal normal for this latitude
- Last frost: April 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Broadmoor
- Sun58°53°5%
- Mon57°53°2%
- Tue64°53°2%
- Wed69°56°0%
- Thu67°57°0%
- Fri70°55°0%
- Sat77°57°1%
- Sun68°60°1%
- Mon79°63°3%
- Tue73°59°5%
- Wed71°59°0%
- Thu73°58°1%
- Fri75°59°0%
- Sat69°57°0%
- Sun68°57°3%
- Mon69°56°3%
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 | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Broadmoor's warmest month is September (~63°F mean) and its coldest is January (~52°F). Rainfall peaks in December (4.8 inches) and bottoms out in July (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 52° | 4.4″ | 8 |
| February | 54° | 4.4″ | 8 |
| March | 56° | 3.1″ | 7 |
| April | 56° | 1.6″ | 4 |
| May | 58° | 0.7″ | 2 |
| June | 60° | 0.2″ | 1 |
| July | 60° | 0.0″ | 0 |
| August | 62° | 0.1″ | 0 |
| September | 63° | 0.1″ | 0 |
| October | 62° | 0.9″ | 2 |
| November | 57° | 2.6″ | 5 |
| December | 53° | 4.8″ | 8 |
Regional context
Broadmoor's climate, from NOAA NCEI 1991-2020 station normals, pairs 52°F Januarys with 60°F Julys — a 8°F swing. About 22.9 inches of precipitation falls over roughly 45 days a year.
Broadmoor's moisture rides winter storm tracks: December brings 4.8 inches over 8.0 wet days, while July sees only 0.0 inches across 0.0 days in the dry warm season. That groups Broadmoor with places like Daly City, CA, Colma, CA and South San Francisco, CA on the same cool-season storm track.
Broadmoor rarely sees a hard freeze — its coldest month sits near 52°F — so planting spans most of the calendar. Heat peaks in September around 63°F, which confines cool-season crops to the shoulders of summer. Across Broadmoor, elevation and tree cover drive a 4-7°F spread in Broadmoor's overnight lows.
Similar climates: Daly City, CA, Colma, CA, South San Francisco, CA, Brisbane, CA, San Francisco, CA.
Frequently asked
- When does it freeze in Broadmoor?
- Broadmoor's last spring frost lands near mid-April, and in Broadmoor the first fall frost follows around mid-November.
- What is the rainy season in Broadmoor?
- Broadmoor sees its heaviest rain in December (around 4.8 inches), part of roughly 23 inches a year.
- What is the warmest month in Broadmoor?
- On average September tops the year in Broadmoor at about 63°F.
- What is the coldest month in Broadmoor?
- The coldest stretch in Broadmoor falls in January, around 52°F on average.
- When can I start a vegetable garden in Broadmoor?
- In Broadmoor, sow peas and hardy greens around mid-April; Broadmoor's tomatoes and peppers wait two weeks more.
- How many rainy days does Broadmoor get?
- Broadmoor averages about 45 days with measurable rain or snow each year.
- What hardiness zone is Broadmoor?
- Since January in Broadmoor averages 52°F, Broadmoor's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Broadmoor?
- Broadmoor'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 Broadmoor?
- See this week's day-by-day rain chances for Broadmoor in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Broadmoor?
- Current conditions for Broadmoor and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Broadmoor forecast updated?
- The Broadmoor forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Broadmoor?
- Today's sunrise and sunset times for Broadmoor 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 Broadmoor?
- The next few days in Broadmoor's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The hot-summer Mediterranean climate of Broadmoor, California carries typical Januarys near 52°F and Julys around 60°F — 8°F of seasonal travel.
Broadmoor sees close to 23 inches of precipitation annually, falling across some 45 wet days.
From 37.7°N, Broadmoor sees a 8°F seasonal swing that governs Broadmoor's planting and frost windows.
ZIP codes in Broadmoor
- 94015