Weather StoryAlmanac, microseasons, and the day's weather story.

Brecon, Ohio Weather

Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Brecon weather forecast — hour by hour, 7-day outlook, NOAA radar

Brecon, OH
Saturday, July 4 at 10:12 AM
83
°
Clear
Feels like
89°
Humidity
65%
Wind
6 mph
Sunrise
2:16 AM
Sunset
5:07 PM
Brecon, OH
Hour by hour · 24h
24-Hour ForecastBrecon, OH: 24-hour forecast. Temperatures range from 72 to 95 degrees Fahrenheit with a 26% chance of precipitation at 5 PM.
L 72°H 95°
Brecon, OH
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    26%
    95°74°
  2. Sunday
    Jul 5
    Light Drizzle
    47%
    0.03″
    88°72°-7°
  3. Monday
    Jul 6
    Thunderstorm
    47%
    81°69°-7°
  4. Tuesday
    Jul 7
    Overcast
    17%
    81°62°
  5. Wednesday
    Jul 8
    Overcast
    17%
    85°64°+4°
  6. Thursday
    Jul 9
    Light Drizzle
    40%
    86°66°+1°
  7. Friday
    Jul 10
    Light Drizzle
    57%
    80°70°-6°
Brecon, OH
Anemometer · 24h winds · from true
NESW
From · True
SW
215° · backing 61°
Direction
SW
215°
Sustained
6
mph
Gust
7
mph
Peak 24h
11
avg 5
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 5 · pk 11 @ 5:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 173SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Brecon, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.6
-0.3 mb in 3h · steady · 29.10 inHg
Now
985.6
mb
3h
-0.3
mb
12h
-0.7
mb
24h
-3.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986990
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW989.7985.6985.6
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Brecon, OH
Air quality
57
AQI
Moderate
-1 in 6hPeak ~82 @ 8 PM

AQI 57 (Moderate), driven by Ozone. Ozone at AQI 71 now. With UV 5.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 51 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.

PM 2.5Moderate
15.7μg/m³
PM 10Good
17μg/m³
NO₂Good
8μg/m³
OzoneDRIVERUnhealthy SG
120μg/m³
UV IndexModerate
3.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 71 now. With UV 5.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 51 around 1 PM.

Present
AQI 71
UV peak
5.4 at 1 PM
Sky at peak
clear
Projected peak
AQI 51

PM × Wind × Precip

PM2.5 at 15.7 µg/m³ (AQI 63) with a 0.91 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.91
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Brecon, OH
Sky cover · visibility · 24h
Cloud cover
2%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
51.2mi
UNLIMITED
82 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
14:12 UTC · Brecon, OH · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
14:12 UTC · Brecon, OH · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Brecon, OH
Satellite · infrared · animated
Brecon, OH
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Brecon, OH
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:45 AM
Sunrise
2:16 AM
Daylight
14h 51m
Sunset
5:07 PM
Civil dusk
9:40 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Brecon, OH
The moon
Waning Gibbous
81% illuminated
Moonrise
11:31 PM
Moonset
10:43 AM
In sign
♓︎ Pisces
Brecon, OH
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Brecon at a glance

  • Today vs. normal: 11°F above the seasonal normal for this latitude
  • Last frost: April 12 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Brecon

  1. Sat95°74°26%
  2. Sun88°72°47%
  3. Mon81°69°47%
  4. Tue81°62°17%
  5. Wed85°64°17%
  6. Thu86°66°40%
  7. Fri80°70°57%
  8. Sat83°68°37%
  9. Sun77°62°25%
  10. Mon70°56°14%
  11. Tue75°61°13%
  12. Wed83°62°23%
  13. Thu86°66°19%
  14. Fri86°69°19%
  15. Sat86°67°26%
  16. Sun89°70°26%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, 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.

SPC Convective Outlook

Storm Prediction Center — Brecon

SPC has placed Brecon in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Isolated severe storms possible. Limited threat for hail or damaging wind.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Brecon

  • 45249
  • 45242

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.