Weather StoryAlmanac, microseasons, and the day's weather story.

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

Messiah College, PA
Saturday, July 4 at 11:34 PM
73
°
Overcast
Feels like
78°
Humidity
83%
Wind
4 mph
Sunrise
1:44 AM
Sunset
4:40 PM
Messiah College, PA
Hour by hour · 24h
24-Hour ForecastMessiah College, PA: 24-hour forecast. Temperatures range from 70 to 92 degrees Fahrenheit with a 55% chance of precipitation at 8 PM.
L 70°H 92°
Messiah College, PA
7-day forecast
  1. Today
    Jul 4
    Rain
    49%
    0.18″
    98°73°
  2. Sunday
    Jul 5
    Heavy Rain
    55%
    2.1″
    92°70°-6°
  3. Monday
    Jul 6
    Heavy Rain
    85%
    1.4″
    86°65°-6°
  4. Tuesday
    Jul 7
    Light Showers
    85%
    0.04″
    69°65°-17°
  5. Wednesday
    Jul 8
    Light Drizzle
    43%
    0.01″
    70°62°+1°
  6. Thursday
    Jul 9
    Light Drizzle
    39%
    91°64°+21°
  7. Friday
    Jul 10
    Overcast
    52%
    87°69°-4°
Messiah College, PA
Anemometer · 24h winds · from true
NESW
From · True
W
279° · steady
Direction
W
279°
Sustained
4
mph
Gust
12
mph
Peak 24h
36
avg 7
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 · pk 36 @ 2:00a
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 322SUSTGUST
−24h−18h−12h−6hnow
Light breeze holding from the w.
Messiah College, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
995.6
+1.4 mb in 3h · rising · 29.40 inHg
Now
995.6
mb
3h
+1.4
mb
12h
-0.5
mb
24h
-1.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 992997
9859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW996.8992.2995.6
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Messiah College, PA
Air quality
67
AQI
Moderate
-26 in 6h

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.

PM 2.5DRIVERGood
9.0μg/m³
PM 10Good
9μg/m³
NO₂Good
12μg/m³
OzoneModerate
83μg/m³
UV IndexLow
0.0

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
Messiah College, PA
Sky cover · visibility · 24h
Cloud cover
84%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
29.8mi
UNLIMITED
109 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
03:34 UTC · Messiah College, PA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
03:34 UTC · Messiah College, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Messiah College, PA
Satellite · infrared · animated
Messiah College, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Messiah College, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:12 AM
Sunrise
1:44 AM
Daylight
14h 56m
Sunset
4:40 PM
Civil dusk
9:14 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Messiah College, PA
The moon
Waning Gibbous
76% illuminated
Moonrise
11:25 PM
Moonset
11:17 AM
In sign
♓︎ Pisces
Messiah College, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

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

  1. Sat98°74°49%
  2. Sun92°70°55%
  3. Mon86°65°85%
  4. Tue69°65°85%
  5. Wed70°62°43%
  6. Thu91°64°39%
  7. Fri87°69°52%
  8. Sat85°63°29%
  9. Sun81°60°19%
  10. Mon84°55°13%
  11. Tue89°59°17%
  12. Wed86°62°24%
  13. Thu86°60°30%
  14. Fri88°60°36%
  15. Sat88°68°39%
  16. 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.

January 1–5: The year turns in silence.January 6–10: Ice thickens on still water.January 11–15: Shortest shadows lengthen.January 16–20: Pheasants begin to call.January 21–25: Springs begin to thaw.January 26–31: Chickadees announce dawn.February 1–5: East wind softens the frost.February 6–10: Sap begins to rise.February 11–15: First snowdrops appear.February 16–20: Red-winged blackbirds return.February 21–25: Rain begins to replace snow.February 26–28: Skunk cabbage pushes through ice.March 1–5: Ice withdraws from the reservoir.March 6–10: Crocuses open to weak sun.March 11–15: Peepers call from the marsh.March 16–20: Woodcocks spiral at dusk.March 21–25: Equinox — light overtakes dark.March 26–31: Forsythia opens along the fences.April 1–5: Cherry blossoms drift like snow.April 6–10: Warblers appear in the understory.April 11–15: Magnolias bloom and fall in a day.April 16–20: Dogwoods float above the forest.April 21–25: Lilacs perfume the evening.April 26–30: Last frost releases the garden.May 1–5: Warblers flood the Ramble.May 6–10: Tulip poplars light their candles.May 11–15: Shad run up the rivers.May 16–20: Roses open along the stoops.May 21–25: Firefly scouts appear at dusk.May 26–31: Strawberries ripen in the sun.June 1–5: Fireflies rise from the lawn.June 6–10: Elderflowers open in hedgerows.June 11–15: Solstice approaches — longest light.June 16–20: Honeysuckle sweetens the night.June 21–25: Solstice — the sun stands still.June 26–30: Lightning bugs drift through oaks.July 1–5: Cicadas claim the afternoon.July 6–10: Queen Anne's lace lines the roads.July 11–15: Thunder builds each afternoon.July 16–20: Corn reaches for the tassels.July 21–25: Dog days settle in the haze.July 26–31: Katydids begin their chorus.August 1–5: Night falls a minute earlier.August 6–10: Sunflowers face the morning.August 11–15: Goldenrod begins to bloom.August 16–20: Crickets pulse through warm nights.August 21–25: First cool morning surprises.August 26–31: Monarchs stage for flight.September 1–5: School buses reappear.September 6–10: Asters purple the roadsides.September 11–15: Hawk migration over the Hudson.September 16–20: Equinox — dark overtakes light.September 21–25: Apples hang heavy on the branch.September 26–30: Geese begin to chevron south.October 1–5: Witch hazel blooms as others fade.October 6–10: Maples begin to blaze.October 11–15: Frost paints the garden black.October 16–20: Oaks turn bronze and russet.October 21–25: Leaves rattle down the gutters.October 26–31: Clocks fall back — dusk at five.November 1–5: Ginkgos drop overnight.November 6–10: Last leaves cling stubbornly.November 11–15: Juncos arrive from the north.November 16–20: Bare branches reveal the sky.November 21–25: First flurries dust the rooftops.November 26–30: Woodsmoke curls through the block.December 1–5: Darkness settles before dinner.December 6–10: Holly and winterberry persist.December 11–15: Shortest day approaches.December 16–20: Ice begins to form at the edges.December 21–25: Solstice — the sun begins return.December 26–31: The year turns in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coastMay 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

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

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January
February
March
Aprillettuce, peas, spinach, radishes
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
Augusttomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter 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).

MonthMean tempPrecipRainy days
January29°2.96
February31°2.85
March39°3.96
April51°3.98
May61°4.09
June71°4.08
July75°4.87
August73°4.38
September65°4.66
October53°3.87
November42°2.96
December34°3.47

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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.