Scranton, Pennsylvania Weather
Apples hang heavy on the branch. Day 93 of summer. Read this microseason across nine climate regions →
Scranton weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 10:23 AM EDT · Open-Meteo
- TodaySep 21Overcast later——70°57°—
- TuesdaySep 22Overcast——65°53°-5°
- WednesdaySep 23Overcast——65°46°0°
- ThursdaySep 24Overcast——66°40°+1°
- FridaySep 25Clear31%—69°41°+3°
- SaturdaySep 26Clear30%—71°44°+2°
- SundaySep 27Clear18%—73°47°+2°
Air quality now AQI 22 · Good
AQI 22 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 33. Overcast through the UV peak window (cloud cover ~71%) — afternoon ozone should stay flat.
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 33. Overcast through the UV peak window (cloud cover ~71%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 4.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:39 PM
- Moonset
- 1:16 AM
- In sign
- ♑︎ Capricorn
Apples hang heavy on the branch
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Scranton at a glance
- Today vs. normal: Today averages 64°F (high 70°F, low 57°F), 2°F above the 62°F normal for Sep 21
- Last frost: April 23 (1991–2020 median, NOAA station 9 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Scranton
- Mon70°57°5%
- Tue65°53°8%
- Wed65°46°2%
- Thu66°40°4%
- Fri69°41°31%
- Sat71°44°30%
- Sun73°47°18%
- Mon75°52°7%
- Tue75°55°9%
- Wed75°57°24%
- Thu75°58°26%
- Fri69°51°15%
- Sat69°48°17%
- Sun69°59°29%
- Mon70°47°29%
- Tue55°41°23%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Scranton
Interactive wind and temperature map centered on Scranton — it loads in your browser. Open the full weather map.
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically October 20) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Scranton
Scranton sits in Lackawanna County, where the year’s longest day runs 15h 10m of daylight and its shortest just 9h 11m — a swing of +6h between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Philadelphia, the state’s largest city, lies about 100 miles to the SSE. The nearest town Scranton tracks is Allentown, roughly 57 miles to the S.
Air quality in Scranton
Air quality in Scranton’s county has held roughly steady since 2020; its cleanest year on record was 2025 (median AQI 39). See the full air-quality history for Scranton.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| April | lettuce, peas, spinach, radishes | radishes |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash | lettuce, peas, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
In Scranton, July runs warmest near 74°F and January coldest around 28°F, while September is the wettest month (4.2 inches) and February the driest (2.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 28° | 2.6″ | 6 |
| February | 30° | 2.1″ | 6 |
| March | 38° | 2.8″ | 7 |
| April | 50° | 3.3″ | 7 |
| May | 61° | 3.3″ | 8 |
| June | 69° | 3.8″ | 8 |
| July | 74° | 3.6″ | 7 |
| August | 72° | 3.9″ | 7 |
| September | 65° | 4.2″ | 6 |
| October | 53° | 3.7″ | 6 |
| November | 43° | 2.9″ | 6 |
| December | 33° | 2.8″ | 6 |
Regional context
Similar climates Taylor, PA, Dunmore, PA, Moosic, PA
In Scranton, NOAA NCEI 1991-2020 normals put January near 28°F and July near 74°F — a 46°F seasonal arc — with about 38.7 inches of precipitation over 80 rainy or snowy days.
Precipitation in Scranton runs summer-dominant: September averages 4.2 inches across 6.4 days of warm-season storms, while February drops to 2.1 inches over 5.5 rainy days of drier cool air. That puts Scranton in a summer-convective cohort with places like Taylor, PA, Dunmore, PA and Moosic, PA.
Around April 23, Scranton sheds its freezing nights — kale, peas, spinach, and parsnips go into Scranton's beds. Heat-demanding starts go out a fortnight on in Scranton, after the soil warms and cold snaps clear. The season ends by October 20 in Scranton, once hard frosts set back in. Open lawns in Scranton whiten first when frost returns.
Similar climates: Taylor, PA, Dunmore, PA, Moosic, PA, Throop, PA, Old Forge, PA.
Frequently asked
- When does it freeze in Scranton?
- Scranton's last spring frost lands near April 23, and in Scranton the first fall frost follows around October 20.
- What is the rainy season in Scranton?
- Scranton sees its heaviest rain in September (around 4.2 inches), part of roughly 39 inches a year.
- What is the warmest month in Scranton?
- On average July tops the year in Scranton at about 74°F.
- What is the coldest month in Scranton?
- The coldest stretch in Scranton falls in January, around 28°F on average.
- When can I start a vegetable garden in Scranton?
- Hardy spring crops go in near April 23 in Scranton; tender peppers and squash wait 10–14 days.
- How many rainy days does Scranton get?
- Expect roughly 80 wet days a year in Scranton.
- What hardiness zone is Scranton?
- Because Scranton bottoms near 28°F in January, that winter low sets Scranton's USDA zone — verify by ZIP.
- What is the 10-day forecast for Scranton?
- Scranton'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 Scranton?
- See this week's day-by-day rain chances for Scranton in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Scranton?
- Current conditions for Scranton and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Scranton forecast updated?
- The Scranton forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Scranton?
- Today's sunrise and sunset times for Scranton 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 Scranton?
- The next few days in Scranton's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Scranton sits at 41.4°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Scranton
- 18503
- 18504
- 18505
- 18507
- 18508
- 18509
- 18510
- 18512
- 18515
- 18519
- 18540