Potomac Park, California Weather
Ceanothus blooms again. Day 93 of summer. Read this microseason across nine climate regions →
Potomac Park weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 1:10 AM PDT · Open-Meteo
- TodaySep 21Clear——89°63°—
- TuesdaySep 22Clear——89°61°0°
- WednesdaySep 23Clear——100°63°+11°
- ThursdaySep 24Clear——103°67°+3°
- FridaySep 25Overcast——97°61°-6°
- SaturdaySep 26Overcast——101°62°+4°
- SundaySep 27Overcast——98°61°-3°
Air quality now AQI 64 · Moderate
AQI 64 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 23.7 µg/m³ (AQI 78), ratio 0.43 with 6 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 during the projected peak around 2 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 17.
- Present
- AQI 38
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 23.7 µg/m³ (AQI 78), ratio 0.43 with 6 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.43
- 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:19 PM
- Moonset
- 1:36 AM
- In sign
- ♑︎ Capricorn
Ceanothus blooms again
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Potomac Park at a glance
- Today vs. normal: Today averages 76°F (high 89°F, low 63°F), 2°F above the 74°F normal for Sep 21
- Last frost: January 31 (1991–2020 median, NOAA station 10 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant beans, squash, fall brassicas, carrots; harvest peppers, beans, summer squash, winter squash
15-Day Forecast — Potomac Park
- Mon89°63°1%
- Tue89°61°1%
- Wed100°63°0%
- Thu103°67°0%
- Fri97°61°0%
- Sat101°62°0%
- Sun98°61°1%
- Mon97°60°1%
- Tue105°65°7%
- Wed81°65°4%
- Thu81°65°4%
- Fri90°69°7%
- Sat89°72°7%
- Sun92°66°5%
- Mon75°63°3%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of September 21, the growing season is at its peak — the first frost (around December 8) is weeks away. Fall transplants go in about 10–12 weeks before the first frost, September 15 to September 29 here. This city's planting calendar for September: plant beans, squash, fall brassicas, and carrots; harvest peppers, beans, summer squash, and winter squash.
Sun & seasons in Potomac Park
Potomac Park sits in Kern County, where the year’s longest day runs 14h 33m of daylight and its shortest just 9h 46m — a swing of +4h 47m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Los Angeles, the state’s largest city, lies about 92 miles to the SSE. The nearest town Potomac Park tracks is Bakersfield, roughly 4 miles to the W.
Air quality in Potomac Park
Air quality in Potomac Park’s county has trended cleaner since 2020; its cleanest year on record was 2023 (median AQI 69).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | — |
| February | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| March | — | lettuce, peas, spinach, radishes |
| April | tomatoes, peppers, beans, squash | lettuce, peas, spinach |
| May | tomatoes, peppers, beans, squash | garlic |
| June | squash | beans, summer squash |
| July | beans, squash | tomatoes, peppers, beans, summer squash, winter squash |
| August | tomatoes, peppers, beans, squash | tomatoes, summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | peppers, beans, summer squash, winter squash |
| October | — | tomatoes, peppers, beans, summer squash, winter squash |
| November | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
A year in weather
Potomac Park peaks at about 84°F in July and bottoms near 48°F in December; February brings the heaviest rain (2.0 inches) and August the least (0.0 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 48° | 1.9″ |
| February | 51° | 2.0″ |
| March | 54° | 2.0″ |
| April | 61° | 0.9″ |
| May | 69° | 0.3″ |
| June | 76° | 0.0″ |
| July | 84° | 0.0″ |
| August | 83° | 0.0″ |
| September | 76° | 0.1″ |
| October | 66° | 0.3″ |
| November | 54° | 1.1″ |
| December | 48° | 1.7″ |
Regional context
Similar climates Hillcrest, CA, East Bakersfield, CA, Cottonwood, CA
By modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo), Potomac Park sees 48°F Januarys and 84°F Julys, a 35°F range, plus around 10.4 inches of precipitation.
Precipitation in Potomac Park peaks in the cool season: February averages 2.0 inches, while August bottoms out at 0.0 inches. That cool-season-wet pattern aligns Potomac Park with places like Hillcrest, CA, East Bakersfield, CA and Cottonwood, CA.
The cool-season window in Potomac Park starts at January 31, when nights stop freezing — think lettuce, chard, arugula, and mustard greens. Hold Potomac Park's tender crops — tomatoes, peppers, basil — until 10-14 days past Potomac Park's last frost. It shuts near December 8, when freezes return to Potomac Park and tender plants need cover. In about half of years, Potomac Park's last freeze comes after January 31.
Similar climates: Hillcrest, CA, East Bakersfield, CA, Cottonwood, CA, Fairfax, CA, Bakersfield Country Club, CA.
Frequently asked
- When does it freeze in Potomac Park?
- In Potomac Park, expect the last spring frost near January 31; Potomac Park's first autumn frost comes around December 8.
- What is the rainy season in Potomac Park?
- Potomac Park sees its heaviest rain in February (around 2.0 inches), part of roughly 10 inches a year.
- What is the warmest month in Potomac Park?
- On average July tops the year in Potomac Park at about 84°F.
- What is the coldest month in Potomac Park?
- The coldest stretch in Potomac Park falls in December, around 48°F on average.
- When can I start a vegetable garden in Potomac Park?
- Around January 31, start frost-hardy crops in Potomac Park; tomatoes and basil belong a fortnight later.
- What hardiness zone is Potomac Park?
- Since December in Potomac Park averages 48°F, Potomac Park's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Potomac Park?
- Potomac Park'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 Potomac Park?
- See this week's day-by-day rain chances for Potomac Park in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Potomac Park?
- Current conditions for Potomac Park and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Potomac Park forecast updated?
- The Potomac Park forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Potomac Park?
- Today's sunrise and sunset times for Potomac Park 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 Potomac Park?
- The next few days in Potomac Park's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Potomac Park sits at 35.4°N; its climate zone is hot-summer Mediterranean (Köppen approximation).
ZIP codes in Potomac Park
- 93307