Hebron, Maryland Weather
Honeysuckle sweetens the night. Day 91 of spring. Read this microseason across nine climate regions →
Hebron weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 18Light Drizzle27%0.02″94°71°—
- FridayJun 19Light Rain48%0.19″76°64°-18°
- SaturdayJun 20Overcast——82°61°+6°
- SundayJun 21Overcast12%—86°63°+4°
- MondayJun 22Heavy Showers65%1.5″83°66°-3°
- TuesdayJun 23Overcast54%—81°61°-2°
- WednesdayJun 24Overcast——84°61°+3°
AQI 50 (Good), driven by Ozone. AQI down 13 over the last 6 hours (gradual decline). Ozone at AQI 40. Overcast through the UV peak window (cloud cover ~100%) — 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 40. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 6.4 µg/m³ (AQI 36) with a 0.96 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 9:20 AM
- Moonset
- 11:13 PM
- In sign
- ♌︎ Leo
Honeysuckle sweetens the night
Hebron at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Hebron
- Thu94°71°27%
- Fri76°64°48%
- Sat82°61°1%
- Sun86°63°12%
- Mon83°66°65%
- Tue81°61°54%
- Wed84°61°6%
- Thu83°66°20%
- Fri86°65°24%
- Sat82°66°23%
- Sun90°65°21%
- Mon91°67°32%
- Tue94°71°33%
- Wed96°73°30%
- Thu88°71°41%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 18, 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 — Hebron
SPC has placed Hebron in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
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 Hebron
- 21830