Keedysville, Maryland Weather
Day 50 of autumn. Read today’s microseason across nine climate regions →
Keedysville weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 4:29 PM EST · Open-Meteo
- TodayNov 10Clear——70°37°—
- WednesdayNov 11Clear——66°43°-4°
- ThursdayNov 12Light Drizzle48%0.02″59°41°-7°
- FridayNov 13Overcast14%—50°32°-9°
- SaturdayNov 14Overcast——47°30°-3°
- SundayNov 15Overcast——50°34°+3°
- MondayNov 16Mostly Clear——51°30°+1°
Air quality now AQI 55 · Moderate
AQI 55 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 42 — 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 42 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 42
- UV peak
- 0.2 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 42
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).
When the wind is in the west, the weather is at its best.
- Moonrise
- 8:27 AM
- Moonset
- 5:37 PM
- In sign
- ♐︎ Sagittarius
Keedysville at a glance
- Today vs. normal: Today averages 54°F (high 70°F, low 37°F), 8°F above the 46°F normal for Nov 10
- Last frost: April 26 (1991–2020 median, NOAA station 10 km away)
- Microseason: Nov 6–10
- Planting calendar: November — harvest fall brassicas, carrots
16-Day Forecast — Keedysville
- Tue70°37°0%
- Wed66°43°2%
- Thu59°41°48%
- Fri50°32°14%
- Sat47°30°3%
- Sun50°34°0%
- Mon51°30°2%
- Tue51°33°2%
- Wed53°31°2%
- Thu54°30°2%
- Fri54°34°4%
- Sat60°36°16%
- Sun64°41°26%
- Mon64°31°33%
- Tue38°26°30%
- Wed40°24°10%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Post-frost dormancy
As of November 10, the season's first frost (typically October 18) is due or past. Bring frost-tender plants indoors, mulch overwintering beds, and turn spent plantings under. This city's planting calendar for November: harvest fall brassicas and carrots.
Sun & seasons in Keedysville
Keedysville sits in Washington County, where the year’s longest day runs 14h 58m of daylight and its shortest just 9h 23m — a swing of +5h 35m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Baltimore, the state’s largest city, lies about 59 miles to the ESE. The nearest town Keedysville tracks is Hagerstown, roughly 11 miles to the N.
Air quality in Keedysville
Air quality in Keedysville’s county has held roughly steady since 2020; its cleanest year on record was 2020 (median AQI 40).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| April | lettuce, peas, spinach, radishes | radishes |
| May | lettuce, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, spinach, tomatoes, peppers, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash, garlic |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
Keedysville peaks at about 76°F in July and bottoms near 32°F in January; May brings the heaviest rain (4.2 inches) and February the least (2.6 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 32° | 2.8″ | 8 |
| February | 34° | 2.6″ | 7 |
| March | 42° | 3.7″ | 8 |
| April | 53° | 3.6″ | 11 |
| May | 63° | 4.2″ | 12 |
| June | 71° | 3.5″ | 10 |
| July | 76° | 4.1″ | 9 |
| August | 74° | 3.0″ | 10 |
| September | 67° | 4.2″ | 9 |
| October | 55° | 3.4″ | 10 |
| November | 44° | 3.0″ | 7 |
| December | 36° | 3.3″ | 8 |
Regional context
Similar climates Eakles Mill, MD, Boonsboro, MD, Mount Briar, MD
Drawing on NOAA NCEI 1991-2020 normals, Keedysville's January averages 32°F and July 76°F — 43°F apart — while precipitation totals roughly 41.4 inches over some 108 days.
No season owns Keedysville's rain: May reaches 4.2 inches across 12.1 days and February keeps 2.6 inches on 6.7, an even spread through Keedysville's year. It is a balanced pattern Keedysville shares with places like Eakles Mill, MD, Boonsboro, MD and Mount Briar, MD.
Keedysville's growing window opens around April 26, once Keedysville's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. In Keedysville, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Keedysville's frost date. Around October 18, freezing nights resume in Keedysville and tender crops must come in. In about half of years, Keedysville's last freeze comes after April 26.
Similar climates: Eakles Mill, MD, Boonsboro, MD, Mount Briar, MD, Sharpsburg, MD, Bakersville, MD.
Frequently asked
- When does it freeze in Keedysville?
- Frost typically leaves Keedysville by April 26 and returns to Keedysville near October 18.
- What is the rainy season in Keedysville?
- May is the wettest month in Keedysville, about 4.2 inches on average; the year totals roughly 41 inches.
- What is the warmest month in Keedysville?
- The warmest stretch in Keedysville comes in July, around 76°F on average.
- What is the coldest month in Keedysville?
- On average January is the chilliest month in Keedysville, about 32°F.
- When can I start a vegetable garden in Keedysville?
- Keedysville's last frost (April 26) cues hardy greens; in Keedysville, hold heat-lovers two weeks past.
- How many rainy days does Keedysville get?
- Keedysville records around 108 days of measurable precipitation annually.
- What hardiness zone is Keedysville?
- Keedysville's hardiness zone tracks its winter low; with January near 32°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Keedysville?
- Keedysville's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Keedysville?
- See this week's day-by-day rain chances for Keedysville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Keedysville?
- Current conditions for Keedysville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Keedysville forecast updated?
- The Keedysville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Keedysville?
- Today's sunrise and sunset times for Keedysville are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Keedysville?
- The next few days in Keedysville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Keedysville sits at 39.5°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Keedysville
- 21756