Barton, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Barton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast23%—93°72°—
- SundayJul 5Overcast37%—92°72°-1°
- MondayJul 6Heavy Drizzle90%0.03″83°68°-9°
- TuesdayJul 7Light Drizzle60%—88°66°+5°
- WednesdayJul 8Drizzle20%0.01″80°65°-8°
- ThursdayJul 9Overcast13%—90°62°+10°
- FridayJul 10Light Drizzle51%0.01″77°67°-13°
AQI 59 (Moderate), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 44. Overcast through the UV peak window (cloud cover ~65%) — afternoon ozone should stay flat.
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 44. Overcast through the UV peak window (cloud cover ~65%) — afternoon ozone should stay flat.
- Present
- AQI 44
- UV peak
- 0.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 6.8 µg/m³, PM10 at 7.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- breezy
- 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
- 11:09 PM
- Moonset
- 10:20 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Barton at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 21521
16-Day Forecast — Barton
- Sat93°72°23%
- Sun92°72°37%
- Mon83°68°90%
- Tue88°66°60%
- Wed80°65°20%
- Thu90°62°13%
- Fri77°67°51%
- Sat84°64°32%
- Sun78°61°25%
- Mon76°59°22%
- Tue82°57°18%
- Wed88°60°39%
- Thu88°62°42%
- Fri77°64°44%
- Sat84°68°42%
- Sun85°68°47%
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 — Barton
SPC has placed Barton in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Barton
- 21521