Rohrerstown, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Rohrerstown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle42%0.04″103°77°—
- SundayJul 5Heavy Rain90%0.76″97°73°-6°
- MondayJul 6Light Showers90%0.11″75°63°-22°
- TuesdayJul 7Light Drizzle69%0.01″70°59°-5°
- WednesdayJul 8Clear14%—82°56°+12°
- ThursdayJul 9Light Drizzle28%—88°67°+6°
- FridayJul 10Light Drizzle39%—88°69°0°
AQI 54 (Moderate), driven by PM2.5. AQI projected to climb to 79 over the next 6 hours. PM2.5 at 9.6 µg/m³, PM10 at 10.4 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 45 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 26 around 1 PM.
- Present
- AQI 45
- UV peak
- 4.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 26
PM × Wind × Precip
PM2.5 at 9.6 µg/m³, PM10 at 10.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:59 PM
- Moonset
- 10:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Rohrerstown at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Rohrerstown
- Sat102°75°42%
- Sun97°73°90%
- Mon75°63°90%
- Tue70°59°69%
- Wed82°56°14%
- Thu88°67°28%
- Fri88°69°39%
- Sat84°71°33%
- Sun75°65°29%
- Mon71°63°14%
- Tue77°63°14%
- Wed86°67°24%
- Thu92°70°26%
- Fri92°72°35%
- Sat79°71°42%
- Sun85°68°44%
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 — Rohrerstown
SPC has placed Rohrerstown in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
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
In Rohrerstown, July runs warmest near 76°F and January coldest around 31°F, while September is the wettest month (4.8 inches) and February the driest (2.5 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 31° | 3.0″ | 6 |
| February | 33° | 2.5″ | 6 |
| March | 41° | 3.5″ | 7 |
| April | 53° | 3.5″ | 7 |
| May | 62° | 3.6″ | 7 |
| June | 71° | 4.1″ | 7 |
| July | 76° | 4.5″ | 7 |
| August | 74° | 3.6″ | 6 |
| September | 67° | 4.8″ | 6 |
| October | 55° | 4.2″ | 6 |
| November | 44° | 3.3″ | 5 |
| December | 36° | 3.5″ | 7 |
Frequently asked
- When does it freeze in Rohrerstown?
- In Rohrerstown, expect the last spring frost near mid-April; Rohrerstown's first autumn frost comes around mid-November.
- What is the rainy season in Rohrerstown?
- Rohrerstown sees its heaviest rain in September (around 4.8 inches), part of roughly 44 inches a year.
- What is the warmest month in Rohrerstown?
- July is Rohrerstown's warmest month, averaging about 76°F.
- What is the coldest month in Rohrerstown?
- Rohrerstown bottoms out in January, with a mean near 31°F.
- When can I start a vegetable garden in Rohrerstown?
- Rohrerstown's last frost (mid-April) cues hardy greens; in Rohrerstown, hold heat-lovers two weeks past.
- How many rainy days does Rohrerstown get?
- Rohrerstown averages about 76 days with measurable rain or snow each year.
- What hardiness zone is Rohrerstown?
- Rohrerstown sits in the USDA zone set by January lows near 31°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Rohrerstown?
- Rohrerstown'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 Rohrerstown?
- See this week's day-by-day rain chances for Rohrerstown in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Rohrerstown?
- Current conditions for Rohrerstown and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Rohrerstown forecast updated?
- The Rohrerstown forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Rohrerstown?
- Today's sunrise and sunset times for Rohrerstown 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 Rohrerstown?
- The next few days in Rohrerstown's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Rohrerstown, Pennsylvania has a warm-summer humid continental climate: January averages roughly 31°F, July about 76°F, 45°F between them.
In a typical year Rohrerstown records about 44 inches of precipitation on around 76 days.
Latitude 40.1°N gives Rohrerstown its 45°F swing, and with it the rhythm of Rohrerstown's growing season.
ZIP codes in Rohrerstown
- 17603