Walkersville, Maryland Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Walkersville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——81°51°—
- ThursdayJun 4Overcast——86°58°+5°
- FridayJun 5Overcast——83°62°-3°
- SaturdayJun 6Overcast15%—89°66°+6°
- SundayJun 7Light Showers40%—80°65°-9°
- MondayJun 8Overcast24%—76°55°-4°
- TuesdayJun 9Partly Cloudy11%—76°49°0°
Ozone at AQI 56 now. AQI up 8 over the last 6 hours (gradual rise). With UV 7.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 56 by mid-afternoon.
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 56 now. With UV 7.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 56 by mid-afternoon.
- Present
- AQI 56
- UV peak
- 7.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 56
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).
The higher the clouds, the finer the weather.
- Moonrise
- 2:57 AM
- Moonset
- 12:08 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Walkersville at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Walkersville's warmest month is July (~79°F mean) and its coldest is January (~35°F). Rainfall peaks in September (5.8 inches) and bottoms out in January (2.6 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 35° | 2.6″ | 6 |
| February | 38° | 3.0″ | 5 |
| March | 46° | 3.7″ | 9 |
| April | 57° | 3.5″ | 7 |
| May | 66° | 4.0″ | 7 |
| June | 74° | 4.3″ | 7 |
| July | 79° | 3.9″ | 7 |
| August | 77° | 2.9″ | 5 |
| September | 70° | 5.8″ | 7 |
| October | 58° | 3.3″ | 4 |
| November | 47° | 2.7″ | 5 |
| December | 39° | 4.0″ | 7 |
Regional context
Walkersville's baseline climate, derived from NOAA NCEI 1991-2020 normals at the nearest reporting station, swings from a January mean of 35°F to a July mean of 79°F — a 44°F seasonal arc typical of the mid-latitude bands. Annual precipitation runs about 43.5 inches spread across roughly 76 days with measurable rain or snow each year.
Rainfall stays relatively even across the calendar: September tops out at 5.8 inches across 7.3 days with measurable rain, and January settles around 2.6 inches across 5.8 rainy days — a comparatively narrow seasonal range. The balanced distribution lines Walkersville up with places like Woodsboro, MD, Frederick, MD and Lewistown, MD, all of which run on overlapping storm tracks rather than a single seasonal moisture source.
The frost-sensitive growing window opens around mid-April, when overnight lows reliably clear freezing for cool-season crops like peas, lettuce, spinach, and radishes. Warm-soil crops — tomatoes, peppers, eggplant — wait until soil temperatures reach the mid-50s°F, usually two weeks past the last-frost date. The window closes around mid-November, when overnight lows resume dipping below freezing and frost-tender plants need protection or harvest. Those dates are 30-year averages; the actual frost-free window in a given year can vary by 10-14 days at either end. Neighborhood-scale variation in elevation and cold-air pooling means the practical last-frost date inside Walkersville can lag the regional mean by 5-10 days in low spots, and a bench position with good cold-air drainage can run a week ahead.
Similar climates: Woodsboro, MD, Frederick, MD, Lewistown, MD, Spring Ridge, MD, Linganore, MD.
Frequently asked
- When does it freeze in Walkersville?
- Walkersville's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Walkersville?
- September is the wettest month with about 5.8 inches of rain on average; the city receives roughly 44 inches annually.
- What is the warmest month in Walkersville?
- July is typically warmest, averaging about 79°F.
- What is the coldest month in Walkersville?
- January is typically coldest, averaging about 35°F.
- When can I start a vegetable garden in Walkersville?
- 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 Walkersville get?
- Walkersville averages about 76 rainy days per year.
- What hardiness zone is Walkersville?
- Walkersville'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
Walkersville, Maryland sits in a warm-summer humid continental climate zone. January means hover near 35°F while July averages 79°F — a 44°F seasonal swing.
Across the year, Walkersville receives about 44 inches of precipitation spread over roughly 76 rainy days.
The rhythm of the year is set by latitude (39.5°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.