Messiah College, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Messiah College weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain49%0.18″98°73°—
- SundayJul 5Heavy Rain55%2.1″92°70°-6°
- MondayJul 6Heavy Rain85%1.4″86°65°-6°
- TuesdayJul 7Light Showers85%0.04″69°65°-17°
- WednesdayJul 8Light Drizzle43%0.01″70°62°+1°
- ThursdayJul 9Light Drizzle39%—91°64°+21°
- FridayJul 10Overcast52%—87°69°-4°
AQI 67 (Moderate), driven by PM2.5. AQI down 26 over the last 6 hours — air quality is improving sharply. PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 39 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 39
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:25 PM
- Moonset
- 11:17 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Messiah College at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Messiah College
- Sat98°74°49%
- Sun92°70°55%
- Mon86°65°85%
- Tue69°65°85%
- Wed70°62°43%
- Thu91°64°39%
- Fri87°69°52%
- Sat85°63°29%
- Sun81°60°19%
- Mon84°55°13%
- Tue89°59°17%
- Wed86°62°24%
- Thu86°60°30%
- Fri88°60°36%
- Sat88°68°39%
- Sun85°68°46%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Messiah College
SPC has placed Messiah College in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal 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 186 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 Messiah College, July runs warmest near 75°F and January coldest around 29°F, while July is the wettest month (4.8 inches) and February the driest (2.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 29° | 2.9″ | 6 |
| February | 31° | 2.8″ | 5 |
| March | 39° | 3.9″ | 6 |
| April | 51° | 3.9″ | 8 |
| May | 61° | 4.0″ | 9 |
| June | 71° | 4.0″ | 8 |
| July | 75° | 4.8″ | 7 |
| August | 73° | 4.3″ | 8 |
| September | 65° | 4.6″ | 6 |
| October | 53° | 3.8″ | 7 |
| November | 42° | 2.9″ | 6 |
| December | 34° | 3.4″ | 7 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Messiah College sees 29°F Januarys and 75°F Julys, a 46°F range, plus around 45.2 inches of precipitation across 82 days.
Messiah College's precipitation spreads evenly: July peaks at 4.8 inches on 7.4 wet days, while February holds 2.8 inches over 5.3 — no month dominates Messiah College's rain calendar. It is a balanced pattern Messiah College shares with places like Mechanicsburg, PA, Dillsburg, PA and Shiremanstown, PA.
Messiah College's growing window opens around mid-April, once Messiah College's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. Hold Messiah College's tender crops — tomatoes, peppers, basil — until 10-14 days past Messiah College's last frost. Around mid-November, freezing nights resume in Messiah College and tender crops must come in. In Messiah College, low spots run 4-7°F colder than nearby slopes, nudging Messiah College's frost dates a week.
Similar climates: Mechanicsburg, PA, Dillsburg, PA, Shiremanstown, PA, Franklintown, PA, Camp Hill, PA.
Frequently asked
- When does it freeze in Messiah College?
- In Messiah College, expect the last spring frost near mid-April; Messiah College's first autumn frost comes around mid-November.
- What is the rainy season in Messiah College?
- July is the wettest month in Messiah College, about 4.8 inches on average; the year totals roughly 45 inches.
- What is the warmest month in Messiah College?
- July is Messiah College's warmest month, averaging about 75°F.
- What is the coldest month in Messiah College?
- Messiah College bottoms out in January, with a mean near 29°F.
- When can I start a vegetable garden in Messiah College?
- Messiah College's last frost (mid-April) cues hardy greens; in Messiah College, hold heat-lovers two weeks past.
- How many rainy days does Messiah College get?
- Messiah College averages about 82 days with measurable rain or snow each year.
- What hardiness zone is Messiah College?
- Messiah College's USDA zone comes from its January mean (29°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Messiah College?
- Messiah College'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 Messiah College?
- See this week's day-by-day rain chances for Messiah College in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Messiah College?
- Current conditions for Messiah College and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Messiah College forecast updated?
- The Messiah College forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Messiah College?
- Today's sunrise and sunset times for Messiah College 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 Messiah College?
- The next few days in Messiah College's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Messiah College, Pennsylvania occupies a warm-summer humid continental zone, with January means near 29°F and July around 75°F — a 46°F swing.
In a typical year Messiah College records about 45 inches of precipitation on around 82 days.
The 46°F gap between Messiah College's summer and winter, at 40.2°N, shapes Messiah College's frost calendar.
ZIP codes in Messiah College
- 17055
- 17027