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

Ernstville, Maryland Weather

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

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

Ernstville, MD
Saturday, July 4 at 5:57 PM
100
°
Mostly Clear
Feels like
101°
Humidity
28%
Wind
7 mph
Sunrise
1:49 AM
Sunset
4:43 PM
Ernstville, MD
Hour by hour · 24h
24-Hour ForecastErnstville, MD: 24-hour forecast. Temperatures range from 75 to 100 degrees Fahrenheit with a 47% chance of precipitation at 10 PM.
L 75°H 100°
Ernstville, MD
7-day forecast
  1. Today
    Jul 4
    Heavy Rain
    47%
    0.31″
    100°74°
  2. Sunday
    Jul 5
    Rain
    44%
    0.11″
    93°75°-7°
  3. Monday
    Jul 6
    Light Drizzle
    77%
    0.01″
    83°70°-10°
  4. Tuesday
    Jul 7
    Heavy Showers
    77%
    1.1″
    90°64°+7°
  5. Wednesday
    Jul 8
    Light Drizzle
    15%
    81°63°-9°
  6. Thursday
    Jul 9
    Overcast
    13%
    94°64°+13°
  7. Friday
    Jul 10
    Light Drizzle
    43%
    88°67°-6°
Ernstville, MD
Anemometer · 24h winds · from true
NESW
From · True
SW
234° · backing 30°
Direction
SW
234°
Sustained
7
mph
Gust
13
mph
Peak 24h
27
avg 6
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 6 · pk 27 @ 2:00a
01020304050MPHB1B2B3B4B5B6B7B8B9-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 4423SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 30° from the sw.
Ernstville, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
996.8
-1.8 mb in 3h · falling · 29.44 inHg
Now
996.8
mb
3h
-1.8
mb
12h
-2.4
mb
24h
-2.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9971001
9909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1001.1997.6997.6
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Ernstville, MD
Air quality
82
AQI
Moderate
+29 in 6h

AQI 82 (Moderate), driven by Ozone. AQI up 29 in the last 6 hours — air quality is degrading. Ozone at AQI 76 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
8.1μg/m³
PM 10Good
9μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
123μg/m³
UV IndexModerate
2.6

What's driving it

Ozone × UV × Sky

Ozone at AQI 76 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 76
UV peak
2.2 at earlier today
Sky at peak
clear
Projected peak
AQI 76

PM × Wind × Precip

PM2.5 at 8.1 µg/m³, PM10 at 9.0 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.90
Wind
light
Recent rain
1h in last 6h
Pattern
background
Ernstville, MD
Sky cover · visibility · 24h
Cloud cover
37%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
123.3mi
UNLIMITED
121 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
21:57 UTC · Ernstville, MD · 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
21:57 UTC · Ernstville, MD · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Ernstville, MD
Satellite · infrared · animated
Ernstville, MD
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Ernstville, MD
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:18 AM
Sunrise
1:49 AM
Daylight
14h 54m
Sunset
4:43 PM
Civil dusk
9:16 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Ernstville, MD
The moon
Waning Gibbous
78% illuminated
Moonrise
11:05 PM
Moonset
10:16 AM
In sign
♓︎ Pisces
Ernstville, MD
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Ernstville at a glance

  • Today vs. normal: 28°F above the seasonal normal for this latitude
  • Last frost: April 14 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Ernstville

  1. Sat100°74°47%
  2. Sun93°75°44%
  3. Mon83°70°77%
  4. Tue90°64°77%
  5. Wed81°63°15%
  6. Thu94°64°13%
  7. Fri88°67°43%
  8. Sat91°67°29%
  9. Sun83°63°20%
  10. Mon83°61°18%
  11. Tue88°58°17%
  12. Wed92°60°39%
  13. Thu93°62°33%
  14. Fri85°66°33%
  15. Sat92°68°31%
  16. Sun84°68°37%

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 — Ernstville

SPC has placed Ernstville in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWSLGTSlight 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 Ernstville

  • 21711

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.