York, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
York weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle33%0.04″103°76°—
- SundayJul 5Heavy Rain91%0.34″98°73°-5°
- MondayJul 6Heavy Drizzle91%0.12″73°63°-25°
- TuesdayJul 7Light Drizzle71%0.02″71°61°-2°
- WednesdayJul 8Partly Cloudy13%—84°56°+13°
- ThursdayJul 9Light Drizzle26%—91°69°+7°
- FridayJul 10Light Drizzle42%0.01″90°69°-1°
AQI 54 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.5 µg/m³ (AQI 52) with a 0.93 fine-to-coarse ratio and 6 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 during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 49 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 28 around 1 PM.
- Present
- AQI 49
- UV peak
- 4.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 28
PM × Wind × Precip
PM2.5 at 9.5 µg/m³ (AQI 52) with a 0.93 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- Wind
- light
- 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
- 11:00 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
York at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 17401, 17402, 17403, 17404, 17406, 17407, 17408
16-Day Forecast — York
- Sat103°76°33%
- Sun98°73°91%
- Mon73°63°91%
- Tue71°61°71%
- Wed84°56°13%
- Thu91°69°26%
- Fri90°69°42%
- Sat86°70°34%
- Sun75°66°27%
- Mon70°64°17%
- Tue76°65°11%
- Wed88°68°24%
- Thu93°70°26%
- Fri94°72°35%
- Sat80°72°42%
- Sun86°69°44%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near York
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 — York
SPC has placed York 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
In York, July runs warmest near 77°F and January coldest around 30°F, while December is the wettest month (3.8 inches) and February the driest (2.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 3.1″ | 14 |
| February | 32° | 2.7″ | 13 |
| March | 41° | 3.4″ | 16 |
| April | 53° | 3.7″ | 17 |
| May | 62° | 3.8″ | 18 |
| June | 71° | 3.6″ | 16 |
| July | 77° | 2.9″ | 15 |
| August | 75° | 3.5″ | 17 |
| September | 69° | 3.3″ | 15 |
| October | 58° | 2.8″ | 13 |
| November | 44° | 3.6″ | 14 |
| December | 34° | 3.8″ | 14 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, York's January averages 30°F and July 77°F — 47°F apart — while precipitation totals roughly 40.2 inches over some 182 days.
York's precipitation spreads evenly: December peaks at 3.8 inches on 14.2 wet days, while February holds 2.7 inches over 13.0 — no month dominates York's rain calendar. It is a balanced pattern York shares with places like North York, PA, West York, PA and Grantley, PA.
By mid-April the frosts ease in York, opening the season for kale, peas, spinach, and parsnips. Hold York's tender crops — tomatoes, peppers, basil — until 10-14 days past York's last frost. Around mid-November, freezing nights resume in York and tender crops must come in. In York, low spots run 4-7°F colder than nearby slopes, nudging York's frost dates a week.
Similar climates: North York, PA, West York, PA, Grantley, PA, Valley View, PA, Pleasureville, PA.
Naturalist notes
Late May brings the characteristic evening chorus of American robins establishing territory, their liquid songs echoing through York's neighborhoods at dusk.
Dandelion seed heads begin dispersing in early June, sending their parachute-like seeds drifting across lawns and fields on warm afternoon breezes.
Frequently asked
- When does it freeze in York?
- Frost typically leaves York by mid-April and returns to York near mid-November.
- What is the rainy season in York?
- December is the wettest month in York, about 3.8 inches on average; the year totals roughly 40 inches.
- What is the warmest month in York?
- The warmest stretch in York comes in July, around 77°F on average.
- What is the coldest month in York?
- On average January is the chilliest month in York, about 30°F.
- When can I start a vegetable garden in York?
- Time tomatoes in York for two weeks after mid-April; peas and greens start at York's frost line.
- How many rainy days does York get?
- Expect roughly 182 wet days a year in York.
- What hardiness zone is York?
- York sits in the USDA zone set by January lows near 30°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for York?
- York'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 York?
- See this week's day-by-day rain chances for York in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in York?
- Current conditions for York and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the York forecast updated?
- The York forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in York?
- Today's sunrise and sunset times for York 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 York?
- The next few days in York's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
York, Pennsylvania occupies a warm-summer humid continental zone, with January means near 30°F and July around 77°F — a 47°F swing.
Rain and snow bring York roughly 40 inches a year across approximately 182 measurable-precipitation days.
Latitude 40.0°N gives York its 47°F swing, and with it the rhythm of York's growing season.
ZIP codes in York
- 17404
- 17401
- 17403
- 17405