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Tolchester, Maryland Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Tolchester, MD
Saturday, July 4 at 8:37 PM
79
°
Heavy Drizzle
Feels like
84°
Humidity
71%
Wind
7 mph
Sunrise
1:43 AM
Sunset
4:34 PM
Tolchester, MD
Hour by hour · 24h
24-Hour ForecastTolchester, MD: 24-hour forecast. Temperatures range from 76 to 96 degrees Fahrenheit with a 38% chance of precipitation at 9 PM.
L 76°H 96°
Tolchester, MD
7-day forecast
  1. Today
    Jul 4
    Drizzle
    38%
    0.06″
    100°78°
  2. Sunday
    Jul 5
    Light Showers
    54%
    0.06″
    96°76°-4°
  3. Monday
    Jul 6
    Thunderstorm
    82%
    86°73°-10°
  4. Tuesday
    Jul 7
    Showers
    76%
    76°71°-10°
  5. Wednesday
    Jul 8
    Overcast
    33%
    77°67°+1°
  6. Thursday
    Jul 9
    Drizzle
    12%
    89°69°+12°
  7. Friday
    Jul 10
    Light Drizzle
    37%
    0.01″
    91°78°+2°
Tolchester, MD
Anemometer · 24h winds · from true
NESW
From · True
NE
036° · backing 168°
Direction
NE
036°
Sustained
7
mph
Gust
9
mph
Peak 24h
28
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 28 @ 8:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 284SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Tolchester, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1011.9
+0.2 mb in 3h · steady · 29.88 inHg
Now
1011.9
mb
3h
+0.2
mb
12h
-2.9
mb
24h
-2.1
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10081014
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.51008.41010.3
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Tolchester, MD
Air quality
176
AQI
Unhealthy
+41 in 6h

AQI 176 (Unhealthy), driven by Ozone. AQI up 41 in the last 6 hours — air quality is degrading. Ozone at AQI 108. Overcast through the UV peak window (cloud cover ~74%) — afternoon ozone should stay flat.

LIMIT OUTDOORS Limit prolonged outdoor exertion. Sensitive groups should avoid outdoor exertion. Consider rescheduling outdoor activities until AQI improves.

PM 2.5Good
10.0μg/m³
PM 10Good
11μg/m³
NO₂Good
9μg/m³
OzoneDRIVERUnhealthy
143μg/m³
UV IndexLow
0.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 108. Overcast through the UV peak window (cloud cover ~74%) — afternoon ozone should stay flat.

Present
AQI 108
UV peak
0.1 at 1 PM
Sky at peak
overcast
Projected peak
AQI 13

PM × Wind × Precip

PM scrubbed by 2 hours of recent rain — PM2.5 down to 10.0 µg/m³, PM10 to 10.7 µg/m³.

PM2.5/PM10
0.93
Wind
light
Recent rain
2h in last 6h
Pattern
washed out
Tolchester, MD
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
26.7mi
UNLIMITED
112 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
00:37 UTC · Tolchester, 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
00:37 UTC · Tolchester, MD · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Tolchester, MD
Satellite · infrared · animated
Tolchester, MD
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Tolchester, MD
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:12 AM
Sunrise
1:43 AM
Daylight
14h 51m
Sunset
4:34 PM
Civil dusk
9:08 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Tolchester, MD
The moon
Waning Gibbous
77% illuminated
Moonrise
11:21 PM
Moonset
11:14 AM
In sign
♓︎ Pisces
Tolchester, MD
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Tolchester at a glance

  • Today vs. normal: 7°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.

16-Day Forecast — Tolchester

  1. Sat100°76°38%
  2. Sun96°78°54%
  3. Mon86°73°82%
  4. Tue76°71°76%
  5. Wed77°67°33%
  6. Thu89°69°12%
  7. Fri91°78°37%
  8. Sat84°70°33%
  9. Sun77°68°26%
  10. Mon83°64°18%
  11. Tue84°67°18%
  12. Wed88°73°34%
  13. Thu86°69°35%
  14. Fri89°67°32%
  15. Sat86°71°35%
  16. Sun89°72°43%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, 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 — Tolchester

SPC has placed Tolchester 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 Tolchester

  • 21620

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.