Today
Sun, Jun 21
Overcast
80°59°
- Rain chance
- 0%
- Precip
- 0 in
- Max wind
- 9 mph
Brea weather forecast
California, United States · Los_Angeles time · 33.92°, -117.90°
Current conditions · 6:15 PM local
Current conditions in Brea
75°F
Clear sky
Feels like 61°F
- Humidity
- 83%
- Wind
- 9 mph WSW
- Gusts
- 11 mph
- UV index
- 0
- Visibility
- 9.9 mi
Right now
Right now in Brea, it's clear sky with the temperature at 24 °C. It feels close to the actual reading at 24 °C. Wind is from the WSW at 14 km/h. Humidity stands at 55% with sea-level pressure near 1009 hPa.
At a glance
Today
80° / 59°Overcast · extreme UV
Tomorrow
82° / 59°Overcast · extreme UV
Upcoming · to Saturday
89° / 59°A steady stretch: highs near 89°, lows around 59°, and no day above a 13% rain chance through Saturday.
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Next 3 days
Today looks like overcast; temperatures run from 15 °C up to 26 °C. Tomorrow brings overcast with a high of 28 °C and a low of 15 °C. Tuesday brings overcast with a high of 31 °C and a low of 15 °C.
Tomorrow
Mon, Jun 22
Overcast
82°59°
- Rain chance
- 0%
- Precip
- 0 in
- Max wind
- 10 mph
Tuesday
Tue, Jun 23
Overcast
87°59°
- Rain chance
- 2%
- Precip
- 0 in
- Max wind
- 10 mph
Next 48 hours
- 12 AM60°0%2 mph
- 1 AM60°0%1 mph
- 2 AM60°0%2 mph
- 3 AM61°0%2 mph
- 4 AM60°0%3 mph
- 5 AM60°0%3 mph
- 6 AM59°0%5 mph
- 7 AM60°0%5 mph
- 8 AM62°0%4 mph
- 9 AM65°0%3 mph
- 10 AM68°0%4 mph
- 11 AM72°0%7 mph
- 12 PM72°0%7 mph
- 1 PM76°0%6 mph
- 2 PM77°0%9 mph
- 3 PM78°0%9 mph
- 4 PM80°0%8 mph
- 5 PM78°0%9 mph
- 6 PM76°0%9 mph
- 7 PM73°0%7 mph
- 8 PM69°0%6 mph
- 9 PM66°0%6 mph
- 10 PM64°0%5 mph
- 11 PM62°0%3 mph
- 12 AM61°0%2 mph
- 1 AM60°0%2 mph
- 2 AM59°0%2 mph
- 3 AM60°0%2 mph
- 4 AM60°0%1 mph
- 5 AM60°0%1 mph
- 6 AM59°0%1 mph
- 7 AM60°0%1 mph
- 8 AM62°0%3 mph
- 9 AM66°0%4 mph
- 10 AM69°0%5 mph
- 11 AM74°0%6 mph
- 12 PM77°0%6 mph
- 1 PM80°0%8 mph
- 2 PM82°0%9 mph
- 3 PM81°0%10 mph
- 4 PM81°0%10 mph
- 5 PM79°0%10 mph
- 6 PM75°0%10 mph
- 7 PM71°0%9 mph
- 8 PM67°0%8 mph
- 9 PM64°0%6 mph
- 10 PM62°0%5 mph
- 11 PM61°0%4 mph
In depth
The weather picture for Brea opens with clear sky; it's 24 °C out, feeling like 24 °C. Today's forecast calls for overcast, topping out near 26 °C before falling back to 15 °C overnight. Winds blow mainly from the SW around 14 km/h, with gusts up to 17 km/h. Daytime highs hold fairly steady this week, staying within 26 to 32 °C. No meaningful rain shows up in the seven-day outlook, so dry conditions should dominate. Tomorrow brings overcast with a high of 28 °C and a 0% chance of precipitation. The UV index reaches 9 today, so sun protection is sensible during the middle of the day. Sunrise comes at 05:41 and sunset at 20:05, giving 14.4 hours of daylight. Current humidity sits at 55% with pressure near 1009 hPa. Looking further out, Thursday shows clear sky with a high around 29 °C, while Saturday ends the week at 28 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Air quality
52
Moderate
US AQI · European AQI 47
Air quality in Brea is currently moderate, with a US AQI of 52 (European AQI 47). The dominant pollutant right now is ozone. Unusually sensitive people should consider easing prolonged outdoor exertion. Fine particulate matter (PM2.5) measures 12.4 µg/m³.
Pollutants
- PM2.5
- 12.4 µg/m³
- PM10
- 17.2 µg/m³
- Ozone (O₃)
- 110 µg/m³
- NO₂
- 6.5 µg/m³
- SO₂
- 4.5 µg/m³
- CO
- 108 µg/m³
- Dust
- 4 µg/m³
Sun & UV
- Sunrise
- 5:41 AM
- Sunset
- 8:05 PM
- Daylight
- 14h 25m
- Max UV
- 8.65 Very high
Wind
- Wind
- 9 mph
- Gusts
- 11 mph
- Direction
- WSW (247°)
Farming weather
Soil temperatures today read surface 16.9 °C, 6 cm 19.7 °C, 18 cm 22.5 °C, 54 cm 21.7 °C. Soil moisture sits at 0-1 cm at 0.13 m³/m³, 3-9 cm at 0.16 m³/m³, 27-81 cm at 0.26 m³/m³. For maize, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 45 mm against only 0 mm of expected rain — a 45 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: maize 93, wheat 132.
- Topsoil moisture
- 0.13 m³/m³
- Soil temp
- 58°F
- ET₀ today
- 5.09 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 0 in
- Wind
- 9 mph
- Humidity
- 83%
Advisory summary
No weather alert thresholds are crossed for Brea in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
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All data for Brea
| Variable | Value |
|---|---|
| City | Brea, California, United States |
| Coordinates | 33.91668, -117.90006 |
| Elevation | 110 m |
| Timezone | America/Los_Angeles |
| Population | 41,944 |
| Observed at (local) | 6:15 PM |
| Temperature (2 m) | 75°F |
| Apparent temperature | 61°F |
| Relative humidity (2 m) | 83% |
| Dew point (2 m) | 55°F |
| Precipitation (last hour) | 0 in |
| Rain | 0 in |
| Showers | 0 in |
| Snowfall | 0 in |
| Weather code (WMO) | 0 |
| Cloud cover | 8% |
| Surface pressure | 29.4 inHg |
| Sea-level pressure | 29.8 inHg |
| Wind speed (10 m) | 9 mph |
| Wind gusts (10 m) | 11 mph |
| Wind direction (10 m) | 247° (WSW) |
| Visibility | 9.9 mi |
| UV index | 0 |
| Day / night | Day |
| Today max / min | 80°F / 59°F |
| Today feels-like max / min | 81°F / 57°F |
| Today precipitation sum | 0 in |
| Today rain sum | 0 in |
| Today snowfall sum | 0 in |
| Today max precip probability | 0% |
| Today max wind / gusts | 9 mph / 11 mph |
| Dominant wind direction | 233° (SW) |
| Sunrise / sunset | 5:41 AM / 8:05 PM |
| Daylight duration | 14h 25m |
| Sunshine duration | 12h 19m |
| Max UV index | 8.65 |
| Reference evapotranspiration (ET₀) | 5.09 mm |
| Topsoil moisture (0–1 cm) | 0.13 m³/m³ |
| Surface soil temperature | 58°F |
| US AQI | 52 |
| European AQI | 47 |
| PM2.5 | 12.4 µg/m³ |
| PM10 | 17.2 µg/m³ |
| Ozone (O₃) | 110 µg/m³ |
| Nitrogen dioxide (NO₂) | 6.5 µg/m³ |
| Sulphur dioxide (SO₂) | 4.5 µg/m³ |
| Carbon monoxide (CO) | 108 µg/m³ |
| Dust | 4 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/us/california/brea" width="320" height="180" frameborder="0" title="Brea weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Brea tomorrow?
Rain is unlikely in Brea tomorrow; the precipitation chance stays around 0%.
What is the temperature in Brea today?
Today Brea sees overcast with a high of 26 °C and a low of 15 °C.
How hot will it be in Brea tomorrow?
Tomorrow's high in Brea is forecast at 28 °C with overcast.
Is it windy in Brea today?
No, not especially; gusts only reach up to 17 km/h today.
What is the UV index in Brea today?
The UV index peaks at 9 today, which is very high.
What time is sunrise and sunset in Brea today?
The sun rises at 05:41 and sets at 20:05 local time.
Is the air quality in Brea good today?
Air quality is moderate right now, with a US AQI reading of 52.