Henderson, Maryland Weather
Honeysuckle sweetens the night. Day 90 of spring. Read this microseason across nine climate regions →
Henderson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 17Overcast——87°64°—
- ThursdayJun 18Overcast43%—99°71°+12°
- FridayJun 19Overcast17%—84°68°-15°
- SaturdayJun 20Overcast——80°60°-4°
- SundayJun 21Light Drizzle20%0.01″87°60°+7°
- MondayJun 22Light Drizzle52%0.02″79°59°-8°
- TuesdayJun 23Partly Cloudy37%—83°57°+4°
AQI 29 (Good), driven by PM2.5. AQI down 16 over the last 6 hours — air quality is improving sharply. PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.82 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 5 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.82 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- Wind
- calm
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:03 AM
- Moonset
- 10:35 PM
- In sign
- ♋︎ Cancer
Honeysuckle sweetens the night
Henderson at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Henderson
- Wed87°64°3%
- Thu99°71°43%
- Fri84°68°17%
- Sat80°60°1%
- Sun87°60°20%
- Mon79°59°52%
- Tue83°57°37%
- Wed85°61°9%
- Thu87°61°19%
- Fri91°64°23%
- Sat98°67°19%
- Sun100°74°22%
- Mon96°70°29%
- Tue88°72°37%
- Wed90°70°45%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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 — Henderson
SPC has placed Henderson in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWSLGTSlight 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 Henderson
- 21640
- 21649