York, Pennsylvania Weather
Night falls a minute earlier. Day 43 of summer. Read this microseason across nine climate regions →
York weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Heavy Rain52%0.45″82°74°—
- MondayAug 3Heavy Rain33%0.34″87°74°+5°
- TuesdayAug 4Overcast——82°65°-5°
- WednesdayAug 5Thunderstorm26%—84°64°+2°
- ThursdayAug 6Overcast55%—90°72°+6°
- FridayAug 7Light Showers55%0.14″95°72°+5°
- SaturdayAug 8Drizzle55%—93°70°-2°
AQI 48 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 44. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 44. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 44
- UV peak
- 5.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 17
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 7.7 µg/m³, PM10 to 10.1 µg/m³.
- PM2.5/PM10
- 0.76
- Wind
- breezy
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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).








































Red sky at night, sailor's delight.
- Moonrise
- 9:50 PM
- Moonset
- 10:09 AM
- In sign
- ♓︎ Pisces
Night falls a minute earlier
York at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 17401, 17402, 17403, 17404, 17406, 17407, 17408
16-Day Forecast — York
- Sun82°74°52%
- Mon87°74°33%
- Tue82°65°6%
- Wed84°64°26%
- Thu90°72°55%
- Fri95°72°55%
- Sat93°70°55%
- Sun97°70°27%
- Mon98°71°21%
- Tue88°69°21%
- Wed84°62°14%
- Thu92°71°42%
- Fri96°72°45%
- Sat96°71°39%
- Sun94°71°33%
- Mon95°70°21%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near York
Right now in the garden
Peak growing season
As of August 2, 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 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.
Sun & seasons in York
York sits in York County, where the year’s longest day runs 15h 1m of daylight and its shortest just 9h 20m — a swing of +5h 41m 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 85 miles to the E. The nearest town York tracks is Harrisburg, roughly 23 miles to the NNW.
Air quality in York’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 44). See the full air-quality history for York.
Microseason · August 1–5
Night falls a minute earlier
Sunset retreats perceptibly — daylight shortening speeds up.
Day 214 of 365 · Wedge 43 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