Broomall, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Broomall weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle41%0.01″101°76°—
- SundayJul 5Rain87%0.48″96°71°-5°
- MondayJul 6T-storm w/ Hail87%0.31″76°65°-20°
- TuesdayJul 7Light Drizzle72%0.01″67°62°-9°
- WednesdayJul 8Partly Cloudy16%—85°58°+18°
- ThursdayJul 9Light Drizzle28%—90°66°+5°
- FridayJul 10Light Drizzle34%—92°71°+2°
AQI 64 (Moderate), driven by PM2.5. AQI up 8 over the last 6 hours (gradual rise). PM2.5 at 20.0 µg/m³ (AQI 71) with a 0.89 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 45 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 28 around 1 PM.
- Present
- AQI 45
- UV peak
- 4.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 28
PM × Wind × Precip
PM2.5 at 20.0 µg/m³ (AQI 71) with a 0.89 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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
- 10:55 PM
- Moonset
- 10:05 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Broomall 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 code: 19008
16-Day Forecast — Broomall
- Sat101°76°41%
- Sun96°71°87%
- Mon76°65°87%
- Tue67°62°72%
- Wed85°58°16%
- Thu90°66°28%
- Fri92°71°34%
- Sat82°72°34%
- Sun74°67°31%
- Mon72°66°16%
- Tue83°64°16%
- Wed90°67°24%
- Thu93°73°23%
- Fri95°77°34%
- Sat79°71°39%
- Sun88°70°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 — Broomall
SPC has placed Broomall 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 Broomall, July runs warmest near 77°F and January coldest around 31°F, while December is the wettest month (4.2 inches) and February the driest (2.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 31° | 3.4″ | 13 |
| February | 33° | 2.9″ | 12 |
| March | 42° | 3.7″ | 15 |
| April | 53° | 3.9″ | 17 |
| May | 61° | 3.7″ | 17 |
| June | 71° | 3.7″ | 17 |
| July | 77° | 3.3″ | 16 |
| August | 75° | 4.0″ | 17 |
| September | 69° | 3.7″ | 13 |
| October | 58° | 3.0″ | 11 |
| November | 45° | 3.6″ | 13 |
| December | 36° | 4.2″ | 13 |
Regional context
Per NOAA NCEI 1991-2020 normals, Broomall runs from a 31°F January mean to 77°F in July, a 46°F seasonal spread, with near 43.1 inches of precipitation across about 173 wet days.
Broomall's precipitation spreads evenly: December peaks at 4.2 inches on 13.0 wet days, while February holds 2.9 inches over 12.4 — no month dominates Broomall's rain calendar. That lines Broomall up with places like Drexel Hill, PA, Haverford College, PA and Media, PA, fed by overlapping storm tracks.
Broomall reaches its last hard frost near mid-April; that is the cue for peas, lettuce, spinach, and radishes. Heat-demanding starts go out a fortnight on in Broomall, after the soil warms and cold snaps clear. The season ends by mid-November in Broomall, once hard frosts set back in. A creek-bottom lot in Broomall can lag Broomall's last frost 7-10 days behind a south slope.
Similar climates: Drexel Hill, PA, Haverford College, PA, Media, PA, Ardmore, PA, Clifton Heights, PA.
Frequently asked
- When does it freeze in Broomall?
- Broomall's last spring frost lands near mid-April, and in Broomall the first fall frost follows around mid-November.
- What is the rainy season in Broomall?
- Rainfall in Broomall peaks in December near 4.2 inches, out of about 43 inches annually.
- What is the warmest month in Broomall?
- On average July tops the year in Broomall at about 77°F.
- What is the coldest month in Broomall?
- The coldest stretch in Broomall falls in January, around 31°F on average.
- When can I start a vegetable garden in Broomall?
- Around mid-April, start frost-hardy crops in Broomall; tomatoes and basil belong a fortnight later.
- How many rainy days does Broomall get?
- Broomall averages about 173 days with measurable rain or snow each year.
- What hardiness zone is Broomall?
- With January around 31°F, Broomall's zone reflects that minimum — the USDA ZIP map confirms Broomall's band.
- What is the 10-day forecast for Broomall?
- Broomall'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 Broomall?
- See this week's day-by-day rain chances for Broomall in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Broomall?
- Current conditions for Broomall and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Broomall forecast updated?
- The Broomall forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Broomall?
- Today's sunrise and sunset times for Broomall 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 Broomall?
- The next few days in Broomall's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The warm-summer humid continental climate of Broomall, Pennsylvania carries typical Januarys near 31°F and Julys around 77°F — 46°F of seasonal travel.
In a typical year Broomall records about 43 inches of precipitation on around 173 days.
From 40.0°N, Broomall sees a 46°F seasonal swing that governs Broomall's planting and frost windows.
ZIP codes in Broomall
- 19008