Guys Mills, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Guys Mills weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain51%0.60″89°66°—
- SundayJul 5Light Showers66%0.06″82°67°-7°
- MondayJul 6Thunderstorm64%0.03″73°63°-9°
- TuesdayJul 7Light Drizzle22%—83°60°+10°
- WednesdayJul 8Overcast——84°59°+1°
- ThursdayJul 9Drizzle47%0.05″86°62°+2°
- FridayJul 10Light Drizzle38%—82°64°-4°
AQI 41 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.1 µg/m³, PM10 at 8.5 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.
What's driving it
PM × Wind × Precip
PM2.5 at 8.1 µg/m³, PM10 at 8.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- 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
- 11:16 PM
- Moonset
- 10:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Guys Mills at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 16327
16-Day Forecast — Guys Mills
- Sat89°66°51%
- Sun82°67°66%
- Mon73°63°64%
- Tue83°60°22%
- Wed84°59°8%
- Thu86°62°47%
- Fri82°64°38%
- Sat83°62°28%
- Sun77°61°25%
- Mon72°57°18%
- Tue78°56°18%
- Wed84°64°30%
- Thu89°65°35%
- Fri86°66°53%
- Sat80°66°35%
- Sun84°60°38%
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 — Guys Mills
SPC has placed Guys Mills in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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
Guys Mills's warmest month is July (~71°F mean) and its coldest is January (~25°F). Rainfall peaks in July (4.9 inches) and bottoms out in February (2.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 25° | 2.5″ | 6 |
| February | 27° | 2.0″ | 6 |
| March | 35° | 2.9″ | 7 |
| April | 47° | 3.8″ | 9 |
| May | 58° | 3.7″ | 8 |
| June | 66° | 4.4″ | 8 |
| July | 71° | 4.9″ | 8 |
| August | 69° | 3.7″ | 7 |
| September | 62° | 4.2″ | 7 |
| October | 51° | 3.7″ | 9 |
| November | 40° | 3.0″ | 7 |
| December | 31° | 2.6″ | 7 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Guys Mills's January averages 25°F and July 71°F — 45°F apart — while precipitation totals roughly 41.4 inches over some 89 days.
Summer convection drives Guys Mills's precipitation: July logs 4.9 inches on 7.9 rainy days, against February's 2.0 inches on 5.7 — warm-season storms carry Guys Mills's moisture. That summer-storm rhythm groups Guys Mills with places like Blooming Valley, PA, Townville, PA and Cochranton, PA.
Guys Mills's growing window opens around mid-April, once Guys Mills's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. Hold Guys Mills's tender crops — tomatoes, peppers, basil — until 10-14 days past Guys Mills's last frost. It shuts near mid-November, when freezes return to Guys Mills and tender plants need cover. In Guys Mills, low spots run 4-7°F colder than nearby slopes, nudging Guys Mills's frost dates a week.
Similar climates: Blooming Valley, PA, Townville, PA, Cochranton, PA, Meadville, PA, Rockdale Acres, PA.
Frequently asked
- When does it freeze in Guys Mills?
- In Guys Mills, expect the last spring frost near mid-April; Guys Mills's first autumn frost comes around mid-November.
- What is the rainy season in Guys Mills?
- July is the wettest month in Guys Mills, about 4.9 inches on average; the year totals roughly 41 inches.
- What is the warmest month in Guys Mills?
- The warmest stretch in Guys Mills comes in July, around 71°F on average.
- What is the coldest month in Guys Mills?
- On average January is the chilliest month in Guys Mills, about 25°F.
- When can I start a vegetable garden in Guys Mills?
- Time tomatoes in Guys Mills for two weeks after mid-April; peas and greens start at Guys Mills's frost line.
- How many rainy days does Guys Mills get?
- Expect roughly 89 wet days a year in Guys Mills.
- What hardiness zone is Guys Mills?
- Guys Mills's USDA zone comes from its January mean (25°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Guys Mills?
- Guys Mills'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 Guys Mills?
- See this week's day-by-day rain chances for Guys Mills in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Guys Mills?
- Current conditions for Guys Mills and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Guys Mills forecast updated?
- The Guys Mills forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Guys Mills?
- Today's sunrise and sunset times for Guys Mills 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 Guys Mills?
- The next few days in Guys Mills's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Guys Mills, Pennsylvania occupies a warm-summer humid continental zone, with January means near 25°F and July around 71°F — a 46°F swing.
Guys Mills sees close to 41 inches of precipitation annually, falling across some 89 wet days.
Latitude 41.6°N gives Guys Mills its 46°F swing, and with it the rhythm of Guys Mills's growing season.
ZIP codes in Guys Mills
- 16327