Emsworth, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Emsworth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle35%0.03″94°70°—
- SundayJul 5Rain79%0.10″86°72°-8°
- MondayJul 6Thunderstorm68%0.06″82°68°-4°
- TuesdayJul 7Overcast31%—86°66°+4°
- WednesdayJul 8Overcast——89°63°+3°
- ThursdayJul 9Light Drizzle49%0.01″91°70°+2°
- FridayJul 10Heavy Drizzle54%—82°68°-9°
AQI 59 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 22.9 µg/m³ (AQI 77) with a 0.99 fine-to-coarse ratio and 2 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 3.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
- Present
- AQI 38
- UV peak
- 3.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 22.9 µg/m³ (AQI 77) with a 0.99 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.99
- Wind
- calm
- 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
- 11:15 PM
- Moonset
- 10:23 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Emsworth at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Emsworth
- Sat94°70°35%
- Sun86°72°79%
- Mon82°68°68%
- Tue86°66°31%
- Wed89°63°9%
- Thu91°70°49%
- Fri82°68°54%
- Sat87°68°36%
- Sun83°65°29%
- Mon75°60°15%
- Tue80°61°14%
- Wed87°67°27%
- Thu92°71°19%
- Fri94°73°45%
- Sat86°70°35%
- Sun89°68°35%
Forecast data from Open-Meteo (CC BY 4.0).
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 — Emsworth
SPC has placed Emsworth in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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
July is Emsworth's warmest stretch (~73°F) and January its coldest (~28°F); precipitation crests in May at 5.4 inches and ebbs in February to 3.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 28° | 3.4″ | 20 |
| February | 31° | 3.1″ | 18 |
| March | 39° | 4.1″ | 19 |
| April | 51° | 4.3″ | 20 |
| May | 59° | 5.4″ | 19 |
| June | 68° | 4.7″ | 19 |
| July | 73° | 4.4″ | 18 |
| August | 73° | 4.0″ | 18 |
| September | 66° | 3.4″ | 16 |
| October | 55° | 3.2″ | 15 |
| November | 41° | 3.5″ | 18 |
| December | 32° | 3.9″ | 20 |
Regional context
Emsworth's climate, from NOAA NCEI 1991-2020 station normals, pairs 28°F Januarys with 73°F Julys — a 46°F swing. About 47.4 inches of precipitation falls over roughly 221 days a year.
Emsworth's precipitation spreads evenly: May peaks at 5.4 inches on 19.3 wet days, while February holds 3.1 inches over 18.2 — no month dominates Emsworth's rain calendar. That even rhythm groups Emsworth with places like Ben Avon, PA, Ben Avon Heights, PA and Avalon, PA.
By mid-April the frosts ease in Emsworth, opening the season for kale, peas, spinach, and parsnips. In Emsworth, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Emsworth's frost date. It shuts near mid-November, when freezes return to Emsworth and tender plants need cover. In Emsworth, low spots run 4-7°F colder than nearby slopes, nudging Emsworth's frost dates a week.
Similar climates: Ben Avon, PA, Ben Avon Heights, PA, Avalon, PA, Glenfield, PA, Bellevue, PA.
Frequently asked
- When does it freeze in Emsworth?
- In Emsworth, expect the last spring frost near mid-April; Emsworth's first autumn frost comes around mid-November.
- What is the rainy season in Emsworth?
- Rainfall in Emsworth peaks in May near 5.4 inches, out of about 47 inches annually.
- What is the warmest month in Emsworth?
- July is Emsworth's warmest month, averaging about 73°F.
- What is the coldest month in Emsworth?
- Emsworth bottoms out in January, with a mean near 28°F.
- When can I start a vegetable garden in Emsworth?
- Emsworth's last frost (mid-April) cues hardy greens; in Emsworth, hold heat-lovers two weeks past.
- How many rainy days does Emsworth get?
- Expect roughly 221 wet days a year in Emsworth.
- What hardiness zone is Emsworth?
- Emsworth's hardiness zone tracks its winter low; with January near 28°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Emsworth?
- Emsworth'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 Emsworth?
- See this week's day-by-day rain chances for Emsworth in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Emsworth?
- Current conditions for Emsworth and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Emsworth forecast updated?
- The Emsworth forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Emsworth?
- Today's sunrise and sunset times for Emsworth 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 Emsworth?
- The next few days in Emsworth's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Emsworth's warm-summer humid continental climate in Pennsylvania pairs 28°F Januarys with 73°F Julys, 45°F apart across the seasons.
Emsworth sees close to 47 inches of precipitation annually, falling across some 221 wet days.
At 40.5°N, Emsworth's 45°F summer-to-winter swing sets when Emsworth's gardens wake and when frost returns.
ZIP codes in Emsworth
- 15202