Lamont, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Lamont weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——99°72°—
- MondayJul 6Clear——99°72°0°
- TuesdayJul 7Clear——103°62°+4°
- WednesdayJul 8Clear——105°61°+2°
- ThursdayJul 9Clear——108°62°+3°
- FridayJul 10Clear——110°65°+2°
- SaturdayJul 11Overcast——112°69°+2°
AQI 59 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 17.7 µg/m³, PM10 at 59.8 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
Ozone × UV × Sky
Ozone at AQI 42 now. With UV 9.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 52 around 1 PM.
- Present
- AQI 42
- UV peak
- 9.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 52
PM × Wind × Precip
PM2.5 at 17.7 µg/m³, PM10 at 59.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.30
- Wind
- calm
- 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
- 11:12 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Lamont at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: March 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 93241
16-Day Forecast — Lamont
- Sun99°72°2%
- Mon99°72°0%
- Tue103°62°0%
- Wed105°61°0%
- Thu108°62°0%
- Fri110°65°0%
- Sat112°69°1%
- Sun112°73°3%
- Mon115°73°6%
- Tue114°81°6%
- Wed106°83°3%
- Thu108°78°6%
- Fri113°73°6%
- Sat121°76°10%
- Sun121°81°6%
- Mon115°79°6%
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
The year in Lamont tops out in July (~84°F) and dips lowest in December (~48°F), with February wettest at 2.0 inches and August driest at 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 48° | 1.9″ | 13 |
| February | 51° | 2.0″ | 11 |
| March | 54° | 2.0″ | 12 |
| April | 61° | 0.9″ | 8 |
| May | 69° | 0.3″ | 3 |
| June | 76° | 0.0″ | 0 |
| July | 84° | 0.0″ | 1 |
| August | 83° | 0.0″ | 1 |
| September | 76° | 0.1″ | 1 |
| October | 66° | 0.3″ | 2 |
| November | 54° | 1.1″ | 8 |
| December | 48° | 1.7″ | 11 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Lamont's January averages 48°F and July 84°F — 35°F apart — while precipitation totals roughly 10.4 inches over some 70 days.
Cool-season fronts carry Lamont's rain: February logs 2.0 inches on 10.5 days, against August's 0.0 inches on 0.7 — winter does the heavy lifting in Lamont. That groups Lamont with places like Weedpatch, CA, Fuller Acres, CA and El Adobe, CA on the same cool-season storm track.
Freezes are uncommon in Lamont, where the coldest month averages 48°F; cool-season crops grow fall through spring. Summer heat in July (about 84°F) is the binding constraint, not cold. Across Lamont, elevation and tree cover drive a 4-7°F spread in Lamont's overnight lows.
Similar climates: Weedpatch, CA, Fuller Acres, CA, El Adobe, CA, Di Giorgio, CA, Rexland Acres, CA.
Frequently asked
- When does it freeze in Lamont?
- Frost typically leaves Lamont by mid-March and returns to Lamont near mid-December.
- What is the rainy season in Lamont?
- Lamont sees its heaviest rain in February (around 2.0 inches), part of roughly 10 inches a year.
- What is the warmest month in Lamont?
- On average July tops the year in Lamont at about 84°F.
- What is the coldest month in Lamont?
- The coldest stretch in Lamont falls in December, around 48°F on average.
- When can I start a vegetable garden in Lamont?
- Hardy spring crops go in near mid-March in Lamont; tender peppers and squash wait 10–14 days.
- How many rainy days does Lamont get?
- Lamont averages about 70 days with measurable rain or snow each year.
- What hardiness zone is Lamont?
- Since December in Lamont averages 48°F, Lamont's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Lamont?
- Lamont'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 Lamont?
- See this week's day-by-day rain chances for Lamont in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Lamont?
- Current conditions for Lamont and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Lamont forecast updated?
- The Lamont forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Lamont?
- Today's sunrise and sunset times for Lamont 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 Lamont?
- The next few days in Lamont's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The hot-summer Mediterranean climate of Lamont, California carries typical Januarys near 48°F and Julys around 84°F — 36°F of seasonal travel.
Across the year, Lamont collects about 10 inches of precipitation over roughly 70 days with measurable rain or snow.
From 35.3°N, Lamont sees a 36°F seasonal swing that governs Lamont's planting and frost windows.
ZIP codes in Lamont
- 93307
- 93241