Pittsburgh, Pennsylvania Weather
Last leaves cling stubbornly. Day 50 of autumn. Read this microseason across nine climate regions →
Pittsburgh weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 2:14 PM EST · Open-Meteo
- TodayNov 10Clear——63°37°—
- WednesdayNov 11Overcast27%—62°38°-1°
- ThursdayNov 12Showers69%0.39″50°41°-12°
- FridayNov 13Light Snow Shwrs29%0.04″42°35°-8°
- SaturdayNov 14Light Snow Shwrs21%0.09″43°35°+1°
- SundayNov 15Light Drizzle——45°36°+2°
- MondayNov 16Partly Cloudy——47°33°+2°
Air quality now AQI 54 · Moderate
AQI 54 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 31 now. With UV 1.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7.
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 31 now. With UV 1.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7.
- Present
- AQI 31
- UV peak
- 1.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 7
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).
When the wind is in the west, the weather is at its best.
- Moonrise
- 8:40 AM
- Moonset
- 5:43 PM
- In sign
- ♐︎ Sagittarius
Last leaves cling stubbornly
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Pittsburgh at a glance
- Today vs. normal: Today averages 50°F (high 63°F, low 37°F), 6°F above the 44°F normal for Nov 10
- Last frost: April 18 (1991–2020 median, NOAA station 11 km away)
- Microseason: Nov 6–10
- Planting calendar: November — harvest fall brassicas, carrots
16-Day Forecast — Pittsburgh
- Tue63°37°0%
- Wed62°38°27%
- Thu50°41°69%
- Fri42°35°29%
- Sat43°35°21%
- Sun45°36°6%
- Mon47°33°2%
- Tue50°33°2%
- Wed49°33°1%
- Thu51°33°2%
- Fri54°38°3%
- Sat59°42°23%
- Sun62°47°46%
- Mon47°28°35%
- Tue31°26°27%
- Wed34°26°27%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Pittsburgh
Interactive wind and temperature map centered on Pittsburgh — it loads in your browser. Open the full weather map.
Right now in the garden
Post-frost dormancy
As of November 10, the season's first frost (typically October 28) is due or past. Bring frost-tender plants indoors, mulch overwintering beds, and turn spent plantings under. This city's planting calendar for November: harvest fall brassicas and carrots.
Sun & seasons in Pittsburgh
Pittsburgh sits in Allegheny County, where the year’s longest day runs 15h 4m of daylight and its shortest just 9h 17m — a swing of +5h 47m 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 257 miles to the E. The nearest town Pittsburgh tracks is Green Tree, roughly 4 miles to the WSW.
Air quality in Pittsburgh
Air quality in Pittsburgh’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 52). See the full air-quality history for Pittsburgh.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes | radishes |
| May | 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 |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
In Pittsburgh, July runs warmest near 73°F and January coldest around 28°F, while May is the wettest month (5.4 inches) and February the driest (3.1 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 28° | 3.4″ |
| February | 31° | 3.1″ |
| March | 39° | 4.1″ |
| April | 51° | 4.3″ |
| May | 59° | 5.4″ |
| June | 68° | 4.7″ |
| July | 73° | 4.4″ |
| August | 73° | 4.0″ |
| September | 66° | 3.4″ |
| October | 55° | 3.2″ |
| November | 41° | 3.5″ |
| December | 32° | 3.9″ |
Regional context
Similar climates Mount Oliver, PA, Millvale, PA, Homestead, PA
Pittsburgh swings from 28°F in January to 73°F in July (46°F) per modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo); precipitation in Pittsburgh runs about 47.4 inches.
Pittsburgh's precipitation spreads evenly across the seasons: May peaks at 5.4 inches, while February holds 3.1 inches — no season dominates Pittsburgh's rain calendar. It is a balanced pattern Pittsburgh shares with places like Mount Oliver, PA, Millvale, PA and Homestead, PA.
Once Pittsburgh passes April 18, freezes fade and Pittsburgh's beds take kale, peas, spinach, and parsnips. Tomatoes and peppers do best set out two weeks later in Pittsburgh, once nights clear the mid-40s°F. By October 28, frost is back in Pittsburgh — protect or harvest anything tender. Open lawns in Pittsburgh whiten first when frost returns.
Similar climates: Mount Oliver, PA, Millvale, PA, Homestead, PA, West Homestead, PA, Etna, PA.
Frequently asked
- When does it freeze in Pittsburgh?
- Pittsburgh's last spring frost lands near April 18, and in Pittsburgh the first fall frost follows around October 28.
- What is the rainy season in Pittsburgh?
- May is the wettest month in Pittsburgh, about 5.4 inches on average; the year totals roughly 47 inches.
- What is the warmest month in Pittsburgh?
- Pittsburgh peaks in July, when the mean runs near 73°F.
- What is the coldest month in Pittsburgh?
- January is Pittsburgh's coldest month, averaging about 28°F.
- When can I start a vegetable garden in Pittsburgh?
- Hardy spring crops go in near April 18 in Pittsburgh; tender peppers and squash wait 10–14 days.
- What hardiness zone is Pittsburgh?
- With January around 28°F, Pittsburgh's zone reflects that minimum — the USDA ZIP map confirms Pittsburgh's band.
- What is the 10-day forecast for Pittsburgh?
- Pittsburgh'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 Pittsburgh?
- See this week's day-by-day rain chances for Pittsburgh in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Pittsburgh?
- Current conditions for Pittsburgh and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Pittsburgh forecast updated?
- The Pittsburgh forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Pittsburgh?
- Today's sunrise and sunset times for Pittsburgh 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 Pittsburgh?
- The next few days in Pittsburgh's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Pittsburgh sits at 40.4°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Pittsburgh
- 15120
- 15201
- 15202
- 15203
- 15204
- 15205
- 15206
- 15207
- 15208
- 15209
- 15210
- 15211
- 15212
- 15213
- 15214
- 15215
- 15216
- 15217
- 15218
- 15219
- 15220
- 15221
- 15222
- 15223
- 15224
- 15225
- 15226
- 15227
- 15228
- 15229
- 15230
- 15232
- 15233
- 15234
- 15235
- 15236
- 15237
- 15238
- 15239
- 15240
- 15241
- 15243
- 15250
- 15251
- 15252
- 15253
- 15254
- 15255
- 15257
- 15258
- 15259
- 15260
- 15261
- 15262
- 15264
- 15265
- 15267
- 15270
- 15272
- 15274
- 15275
- 15279
- 15281
- 15282
- 15286
- 15289
- 15290
- 15295