Adamsburg, Pennsylvania Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Adamsburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——84°53°—
- FridayJun 5Overcast——86°59°+2°
- SaturdayJun 6Heavy Drizzle84%—81°58°-5°
- SundayJun 7Light Showers84%—78°63°-3°
- MondayJun 8Clear——83°59°+5°
- TuesdayJun 9Overcast10%—83°63°0°
- WednesdayJun 10Overcast16%—83°59°0°
PM2.5 at 19.8 µg/m³ (AQI 71) with a 0.98 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust. AQI down 32 over the last 6 hours — air quality is improving sharply.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 19.8 µg/m³ (AQI 71) with a 0.98 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:48 AM
- Moonset
- 1:17 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Adamsburg at a glance
- Today vs. normal: 19°F below the seasonal normal for this latitude
- Last frost: April 18 (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 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.
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
Adamsburg's warmest month is July (~75°F mean) and its coldest is January (~30°F). Rainfall peaks in July (4.8 inches) and bottoms out in February (2.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 3.2″ | 8 |
| February | 31° | 2.8″ | 8 |
| March | 40° | 3.3″ | 7 |
| April | 51° | 3.8″ | 9 |
| May | 63° | 4.1″ | 10 |
| June | 71° | 4.6″ | 10 |
| July | 75° | 4.8″ | 8 |
| August | 73° | 4.2″ | 8 |
| September | 66° | 3.4″ | 7 |
| October | 54° | 3.4″ | 8 |
| November | 43° | 2.9″ | 6 |
| December | 34° | 3.2″ | 8 |
Regional context
Adamsburg's baseline climate, derived from NOAA NCEI 1991-2020 normals at the nearest reporting station, swings from a January mean of 30°F to a July mean of 75°F — a 45°F seasonal arc typical of the mid-latitude bands. Annual precipitation runs about 43.6 inches spread across roughly 97 days with measurable rain or snow each year.
Rainfall stays relatively even across the calendar: July tops out at 4.8 inches across 8.4 days with measurable rain, and February settles around 2.8 inches across 8.1 rainy days — a comparatively narrow seasonal range. That even-rainfall rhythm puts Adamsburg alongside places like Penn, PA, Jeannette, PA and Manor, PA — places without a single dominant storm season, where moisture arrives steadily across the calendar.
The frost-sensitive growing window opens around mid-April, when overnight lows reliably clear freezing for cool-season crops like kale, peas, spinach, and parsnips. Heat-loving transplants like tomatoes, peppers, and squash generally hold off for another 10-14 days to clear the last spring frost risk window. The window closes around mid-November, when overnight lows resume dipping below freezing and frost-tender plants need protection or harvest. These are 30-year central tendencies; year-to-year frost dates can move by up to two weeks. Local features matter: a south-facing slope inside Adamsburg typically runs 3-5 days ahead of the regional last-frost date, while a low-lying lot along a creek or drainage can lag the same date by a week or more on calm clear nights.
Similar climates: Penn, PA, Jeannette, PA, Manor, PA, Irwin, PA, Grapeville, PA.
Frequently asked
- When does it freeze in Adamsburg?
- Adamsburg's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Adamsburg?
- July 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 Adamsburg?
- July is typically warmest, averaging about 75°F.
- What is the coldest month in Adamsburg?
- January is typically coldest, averaging about 30°F.
- When can I start a vegetable garden in Adamsburg?
- 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 Adamsburg get?
- Adamsburg averages about 97 rainy days per year.
- What hardiness zone is Adamsburg?
- Adamsburg'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
Adamsburg, Pennsylvania sits in a warm-summer humid continental climate zone. January means hover near 30°F while July averages 75°F — a 45°F seasonal swing.
Across the year, Adamsburg receives about 44 inches of precipitation spread over roughly 97 rainy days.
The rhythm of the year is set by latitude (40.3°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.