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

Trappe, Maryland Weather

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

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

Trappe, MD
Saturday, July 4 at 5:54 PM
100
°
Partly Cloudy
Feels like
102°
Humidity
32%
Wind
8 mph
Sunrise
1:45 AM
Sunset
4:32 PM
Trappe, MD
Hour by hour · 24h
24-Hour ForecastTrappe, MD: 24-hour forecast. Temperatures range from 76 to 100 degrees Fahrenheit.
L 76°H 100°
Trappe, MD
7-day forecast
  1. Today
    Jul 4
    Overcast
    19%
    100°82°
  2. Sunday
    Jul 5
    Rain
    27%
    0.15″
    97°76°-3°
  3. Monday
    Jul 6
    Heavy Showers
    76%
    0.88″
    91°72°-6°
  4. Tuesday
    Jul 7
    Drizzle
    68%
    87°71°-4°
  5. Wednesday
    Jul 8
    Heavy Drizzle
    35%
    79°69°-8°
  6. Thursday
    Jul 9
    Partly Cloudy
    91°68°+12°
  7. Friday
    Jul 10
    Overcast
    33%
    98°74°+7°
Trappe, MD
Anemometer · 24h winds · from true
NESW
From · True
SW
236° · veering 19°
Direction
SW
236°
Sustained
8
mph
Gust
10
mph
Peak 24h
11
avg 4
Beaufort · 3 · GENTLE 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 4 · pk 11 @ 6:00p
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 368SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 19° from the sw.
Trappe, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1010.0
-1.6 mb in 3h · falling · 29.83 inHg
Now
1010.0
mb
3h
-1.6
mb
12h
-1.8
mb
24h
-2.0
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10101014
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.61010.61010.6
−24h−18h−12h−6hnow
Pressure slipping through the change line — wetter air on the way.
Trappe, MD
Air quality
119
AQI
Unhealthy for Sensitive Groups
+64 in 6hPeak ~129 @ 11 PM

AQI 119 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 64 in the last 6 hours — air quality is degrading. Ozone at AQI 103 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.

PM 2.5Moderate
13.4μg/m³
PM 10Good
15μg/m³
NO₂Good
2μg/m³
OzoneDRIVERUnhealthy SG
140μg/m³
UV IndexModerate
2.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 103 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 103
UV peak
2.1 at earlier today
Sky at peak
clear
Projected peak
AQI 103

PM × Wind × Precip

PM2.5 at 13.4 µg/m³, PM10 at 14.6 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.92
Wind
light
Recent rain
0h in last 6h
Pattern
background
Trappe, MD
Sky cover · visibility · 24h
Cloud cover
79%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
119.9mi
UNLIMITED
126 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
21:54 UTC · Trappe, 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
21:54 UTC · Trappe, MD · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Trappe, MD
Satellite · infrared · animated
Trappe, MD
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Trappe, MD
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:14 AM
Sunrise
1:45 AM
Daylight
14h 47m
Sunset
4:32 PM
Civil dusk
9:05 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Trappe, MD
The moon
Waning Gibbous
78% illuminated
Moonrise
10:56 PM
Moonset
10:09 AM
In sign
♓︎ Pisces
Trappe, MD
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Trappe at a glance

  • Today vs. normal: 27°F above the seasonal normal for this latitude
  • Last frost: April 8 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 21673

16-Day Forecast — Trappe

  1. Sat100°82°19%
  2. Sun97°76°27%
  3. Mon91°72°76%
  4. Tue87°71°68%
  5. Wed79°69°35%
  6. Thu91°68°8%
  7. Fri98°74°33%
  8. Sat93°76°33%
  9. Sun84°72°23%
  10. Mon81°68°18%
  11. Tue88°67°15%
  12. Wed93°72°41%
  13. Thu91°72°41%
  14. Fri93°73°39%
  15. Sat96°74°33%
  16. Sun93°77°45%

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 — Trappe

SPC has placed Trappe 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 Trappe

  • 21673

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.