Barclay, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Barclay weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle24%0.01″102°80°—
- SundayJul 5Heavy Showers38%0.58″97°77°-5°
- MondayJul 6Showers72%—86°73°-11°
- TuesdayJul 7Thunderstorm72%—87°70°+1°
- WednesdayJul 8Heavy Drizzle34%0.04″79°68°-8°
- ThursdayJul 9Partly Cloudy10%—90°68°+11°
- FridayJul 10Overcast35%—94°72°+4°
AQI 137 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 80 in the last 6 hours — air quality is degrading. Ozone at AQI 111 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 111 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 111
- UV peak
- 2.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 111
PM × Wind × Precip
PM2.5 at 10.6 µg/m³, PM10 at 11.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- light
- Recent rain
- 1h 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
- 10:55 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Barclay at a glance
- Today vs. normal: 27°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 21607
16-Day Forecast — Barclay
- Sat102°80°24%
- Sun97°77°38%
- Mon86°73°72%
- Tue87°70°72%
- Wed79°68°34%
- Thu90°68°10%
- Fri94°72°35%
- Sat93°73°33%
- Sun85°69°25%
- Mon79°69°18%
- Tue87°66°17%
- Wed92°68°34%
- Thu93°70°35%
- Fri94°73°32%
- Sat90°72°35%
- Sun93°72°43%
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 — Barclay
SPC has placed Barclay in the Enhanced Risk category for severe thunderstorms today.
- TODAYENHEnhanced Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Barclay
- 21607