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

Weather in Chewsville, Maryland

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Chewsville, MD
Sunday, May 17 at 4:06 AM
66
°
Clear
Feels like
66°
Humidity
77%
Wind
5 mph
Sunrise
5:54 AM
Sunset
8:19 PM
Chewsville, MD
Hour by hour · 24h
51°
12a
52°
1a
51°
2a
51°
3a
51°
4a
51°
5a
52°
6a
50°
7a
52°
8a
55°
9a
57°
10a
59°
11a
62°
12p
64°
1p
66°
2p
69°
3p
70°
4p
70°
5p
69°
6p
68°
7p
65°
8p
62°
9p
60°
10p
57°
11p
L 50°H 70°
Chewsville, MD
7-day forecast
  1. Today
    May 17
    Drizzle
    18%
    85°62°
  2. Monday
    May 18
    Light Drizzle
    95°65°
  3. Tuesday
    May 19
    Thunderstorm
    87°63°
  4. Wednesday
    May 20
    Drizzle
    73%
    84°58°
  5. Thursday
    May 21
    Overcast
    19%
    66°48°
  6. Friday
    May 22
    Light Rain
    49%
    56°49°
  7. Saturday
    May 23
    Drizzle
    45%
    62°49°
Chewsville, MD
Anemometer · 24h winds · from true
NESW
From · True
S
177° · veering 24°
Direction
S
177°
Sustained
5
mph
Gust
7
mph
Peak 24h
22
avg 7
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 7 · pk 22 @ 5:00p
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Chewsville, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
991.7
-0.4 mb in 3h · rising · 29.28 inHg
Now
991.7
mb
3h
-0.4
mb
12h
-0.2
mb
24h
-2.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 991995
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Chewsville, MD
Air quality
51
AQI
Moderate
PM 2.5
3.3 μg/m³
PM 10
3.6 μg/m³
NO₂
4.6 μg/m³
Ozone
74.0 μg/m³
UV Index
0.0 Low
Chewsville, MD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:26 AM
Sunrise
5:54 AM
Daylight
14h 25m
Sunset
8:19 PM
Civil dusk
12:50 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Chewsville, MD
The moon
New Moon
0% illuminated
Moonrise
9:59 AM
Moonset
12:46 AM
In sign
♊︎ Gemini
Chewsville, MD
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Chewsville at a glance

  • Today vs. normal: 6°F below the seasonal normal for this latitude
  • Last frost: April 14 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Warm-season window is open

As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

Planting calendar

MonthPlantHarvest
January
February
March
Aprillettuce, peas, spinach, radishes
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
Augusttomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November
December

A year in weather

Chewsville's warmest month is July (~76°F mean) and its coldest is January (~31°F). Rainfall peaks in September (4.8 inches) and bottoms out in February (2.7 inches).

MonthMean tempPrecipRainy days
January31°3.211
February34°2.79
March42°3.913
April53°3.913
May64°4.314
June72°3.411
July76°3.712
August75°3.712
September67°4.816
October55°3.411
November44°2.910
December36°3.712

Frequently asked

When does it freeze in Chewsville?
Chewsville's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
What is the rainy season in Chewsville?
September is the wettest month with about 4.8 inches of rain on average; the city receives roughly 44 inches annually.
What is the warmest month in Chewsville?
July is typically warmest, averaging about 76°F.
What is the coldest month in Chewsville?
January is typically coldest, averaging about 31°F.
When can I start a vegetable garden in Chewsville?
Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
How many rainy days does Chewsville get?
Chewsville averages about 144 rainy days per year.
What hardiness zone is Chewsville?
Chewsville's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.

Climate

Chewsville, Maryland sits in a warm-summer humid continental climate zone. January means hover near 31°F while July averages 76°F — a 45°F seasonal swing.

Across the year, Chewsville receives about 44 inches of precipitation spread over roughly 144 rainy days.

The rhythm of the year is set by latitude (39.6°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.

ZIP codes in Chewsville

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.