Millerstown, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Millerstown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain23%0.19″98°72°—
- SundayJul 5Light Showers89%0.18″91°72°-7°
- MondayJul 6Thunderstorm89%0.07″74°64°-17°
- TuesdayJul 7Light Drizzle67%0.01″76°62°+2°
- WednesdayJul 8Overcast15%—86°57°+10°
- ThursdayJul 9Light Drizzle30%—89°65°+3°
- FridayJul 10Light Drizzle36%—88°67°-1°
AQI 56 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 50 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 50 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29 around 1 PM.
- Present
- AQI 50
- UV peak
- 4.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 29
PM × Wind × Precip
PM2.5 at 8.2 µg/m³, PM10 at 8.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- 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
- 11:03 PM
- Moonset
- 10:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Millerstown at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Millerstown
- Sat98°72°23%
- Sun91°72°89%
- Mon74°64°89%
- Tue76°62°67%
- Wed86°57°15%
- Thu89°65°30%
- Fri88°67°36%
- Sat87°70°35%
- Sun77°64°27%
- Mon71°64°19%
- Tue81°63°14%
- Wed85°66°19%
- Thu95°68°22%
- Fri94°73°31%
- Sat86°70°39%
- Sun89°66°25%
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 — Millerstown
SPC has placed Millerstown 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
Millerstown peaks at about 74°F in July and bottoms near 29°F in January; September brings the heaviest rain (4.4 inches) and February the least (2.3 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 29° | 2.9″ | 6 |
| February | 31° | 2.3″ | 6 |
| March | 39° | 3.6″ | 7 |
| April | 51° | 3.5″ | 8 |
| May | 61° | 4.2″ | 9 |
| June | 70° | 4.0″ | 8 |
| July | 74° | 3.6″ | 7 |
| August | 72° | 3.6″ | 7 |
| September | 65° | 4.4″ | 6 |
| October | 54° | 3.8″ | 7 |
| November | 43° | 3.1″ | 6 |
| December | 34° | 3.3″ | 7 |
Regional context
Per NOAA NCEI 1991-2020 normals, Millerstown runs from a 29°F January mean to 74°F in July, a 45°F seasonal spread, with near 42.1 inches of precipitation across about 83 wet days.
Millerstown's precipitation spreads evenly: September peaks at 4.4 inches on 6.1 wet days, while February holds 2.3 inches over 5.5 — no month dominates Millerstown's rain calendar. That even rhythm groups Millerstown with places like Thompsontown, PA, East Salem, PA and McAlisterville, PA.
Once Millerstown passes mid-April, overnight freezes fade and kale, peas, spinach, and parsnips can be sown. Tomatoes and peppers do best set out two weeks later in Millerstown, once nights clear the mid-40s°F. Frost returns to Millerstown near mid-November, ending the tender-crop season. A creek-bottom lot in Millerstown can lag Millerstown's last frost 7-10 days behind a south slope.
Similar climates: Thompsontown, PA, East Salem, PA, McAlisterville, PA, Richfield, PA, Lenkerville, PA.
Frequently asked
- When does it freeze in Millerstown?
- In Millerstown, expect the last spring frost near mid-April; Millerstown's first autumn frost comes around mid-November.
- What is the rainy season in Millerstown?
- Millerstown sees its heaviest rain in September (around 4.4 inches), part of roughly 42 inches a year.
- What is the warmest month in Millerstown?
- On average July tops the year in Millerstown at about 74°F.
- What is the coldest month in Millerstown?
- The coldest stretch in Millerstown falls in January, around 29°F on average.
- When can I start a vegetable garden in Millerstown?
- Hardy spring crops go in near mid-April in Millerstown; tender peppers and squash wait 10–14 days.
- How many rainy days does Millerstown get?
- Millerstown records around 83 days of measurable precipitation annually.
- What hardiness zone is Millerstown?
- Because Millerstown bottoms near 29°F in January, that winter low sets Millerstown's USDA zone — verify by ZIP.
- What is the 10-day forecast for Millerstown?
- Millerstown'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 Millerstown?
- See this week's day-by-day rain chances for Millerstown in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Millerstown?
- Current conditions for Millerstown and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Millerstown forecast updated?
- The Millerstown forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Millerstown?
- Today's sunrise and sunset times for Millerstown 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 Millerstown?
- The next few days in Millerstown's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, Millerstown, Pennsylvania swings from 29°F in the heart of winter to 74°F at midsummer — a 45°F arc.
Rain and snow bring Millerstown roughly 42 inches a year across approximately 83 measurable-precipitation days.
Millerstown sits at 40.6°N; that 45°F seasonal swing frames planting windows and frost dates across Millerstown.
ZIP codes in Millerstown
- 17062