Matheny, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Matheny weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast12%—96°73°—
- MondayJul 6Overcast——97°67°+1°
- TuesdayJul 7Mostly Clear——105°57°+8°
- WednesdayJul 8Clear——106°58°+1°
- ThursdayJul 9Clear——110°61°+4°
- FridayJul 10Clear——113°64°+3°
- SaturdayJul 11Overcast——114°67°+1°
AQI 63 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.3 µg/m³ (AQI 59), ratio 0.41 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 30 now. With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 40 around 1 PM.
- Present
- AQI 30
- UV peak
- 10.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 40
PM × Wind × Precip
PM2.5 at 13.3 µg/m³ (AQI 59), ratio 0.41 with 6 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.41
- 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
- 11:15 PM
- Moonset
- 11:16 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Matheny at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: March 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Matheny
- Sun96°73°12%
- Mon97°67°0%
- Tue105°57°0%
- Wed106°58°0%
- Thu110°61°0%
- Fri113°64°0%
- Sat114°67°0%
- Sun97°73°1%
- Mon106°64°4%
- Tue113°76°6%
- Wed114°78°2%
- Thu115°71°3%
- Fri118°71°14%
- Sat113°72°6%
- Sun113°74°3%
- Mon112°66°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
Matheny's warmest month is July (~85°F mean) and its coldest is January (~48°F). Rainfall peaks in March (3.6 inches) and bottoms out in July (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 48° | 3.2″ | 13 |
| February | 50° | 3.4″ | 12 |
| March | 53° | 3.6″ | 13 |
| April | 59° | 1.9″ | 8 |
| May | 68° | 0.6″ | 4 |
| June | 77° | 0.0″ | 0 |
| July | 85° | 0.0″ | 0 |
| August | 84° | 0.0″ | 0 |
| September | 76° | 0.0″ | 1 |
| October | 66° | 0.5″ | 3 |
| November | 55° | 2.0″ | 8 |
| December | 48° | 2.8″ | 13 |
Frequently asked
- When does it freeze in Matheny?
- Frost typically leaves Matheny by mid-April and returns to Matheny near mid-November.
- What is the rainy season in Matheny?
- Rainfall in Matheny peaks in March near 3.6 inches, out of about 18 inches annually.
- What is the warmest month in Matheny?
- July is Matheny's warmest month, averaging about 85°F.
- What is the coldest month in Matheny?
- Matheny bottoms out in January, with a mean near 48°F.
- When can I start a vegetable garden in Matheny?
- Matheny's last frost (mid-April) cues hardy greens; in Matheny, hold heat-lovers two weeks past.
- How many rainy days does Matheny get?
- Expect roughly 76 wet days a year in Matheny.
- What hardiness zone is Matheny?
- Matheny's USDA zone comes from its January mean (48°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Matheny?
- Matheny'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 Matheny?
- See this week's day-by-day rain chances for Matheny in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Matheny?
- Current conditions for Matheny and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Matheny forecast updated?
- The Matheny forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Matheny?
- Today's sunrise and sunset times for Matheny 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 Matheny?
- The next few days in Matheny's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Matheny, California has a hot-summer Mediterranean climate: January averages roughly 48°F, July about 85°F, 37°F between them.
In a typical year Matheny records about 18 inches of precipitation on around 76 days.
Latitude 36.2°N gives Matheny its 37°F swing, and with it the rhythm of Matheny's growing season.
ZIP codes in Matheny
- 93274