West Lawn, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
West Lawn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain48%0.23″101°74°—
- SundayJul 5Heavy Rain90%1.1″95°71°-6°
- MondayJul 6Thunderstorm90%0.15″76°63°-19°
- TuesdayJul 7Light Drizzle72%0.01″71°59°-5°
- WednesdayJul 8Overcast16%—82°57°+11°
- ThursdayJul 9Light Drizzle34%—88°63°+6°
- FridayJul 10Light Drizzle36%0.01″88°69°0°
AQI 60 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.94 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 around 1 PM.
- Present
- AQI 43
- UV peak
- 4.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 27
PM × Wind × Precip
PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.94 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- 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
- 10:57 PM
- Moonset
- 10:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
West Lawn at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — West Lawn
- Sat101°74°48%
- Sun95°71°90%
- Mon76°63°90%
- Tue71°59°72%
- Wed82°57°16%
- Thu88°63°34%
- Fri88°69°36%
- Sat83°71°31%
- Sun72°65°29%
- Mon73°65°14%
- Tue79°65°17%
- Wed86°65°30%
- Thu91°71°29%
- Fri92°71°36%
- Sat80°71°36%
- Sun87°68°39%
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 — West Lawn
SPC has placed West Lawn 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
West Lawn's warmest month is July (~76°F mean) and its coldest is January (~29°F). Rainfall peaks in May (4.0 inches) and bottoms out in February (2.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 29° | 3.2″ | 14 |
| February | 32° | 2.8″ | 13 |
| March | 40° | 3.5″ | 16 |
| April | 52° | 3.8″ | 17 |
| May | 61° | 4.0″ | 18 |
| June | 70° | 3.9″ | 17 |
| July | 76° | 3.3″ | 17 |
| August | 75° | 3.8″ | 17 |
| September | 68° | 3.6″ | 14 |
| October | 57° | 3.0″ | 12 |
| November | 43° | 3.6″ | 14 |
| December | 34° | 4.0″ | 14 |
Frequently asked
- When does it freeze in West Lawn?
- In West Lawn, expect the last spring frost near mid-April; West Lawn's first autumn frost comes around mid-November.
- What is the rainy season in West Lawn?
- West Lawn sees its heaviest rain in May (around 4.0 inches), part of roughly 43 inches a year.
- What is the warmest month in West Lawn?
- July is West Lawn's warmest month, averaging about 76°F.
- What is the coldest month in West Lawn?
- West Lawn bottoms out in January, with a mean near 29°F.
- When can I start a vegetable garden in West Lawn?
- Time tomatoes in West Lawn for two weeks after mid-April; peas and greens start at West Lawn's frost line.
- How many rainy days does West Lawn get?
- West Lawn averages about 183 days with measurable rain or snow each year.
- What hardiness zone is West Lawn?
- West Lawn's USDA zone comes from its January mean (29°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for West Lawn?
- West Lawn'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 West Lawn?
- See this week's day-by-day rain chances for West Lawn in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in West Lawn?
- Current conditions for West Lawn and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the West Lawn forecast updated?
- The West Lawn forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in West Lawn?
- Today's sunrise and sunset times for West Lawn 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 West Lawn?
- The next few days in West Lawn's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
West Lawn's warm-summer humid continental climate in Pennsylvania pairs 29°F Januarys with 76°F Julys, 47°F apart across the seasons.
Rain and snow bring West Lawn roughly 43 inches a year across approximately 183 measurable-precipitation days.
At 40.3°N, West Lawn's 47°F summer-to-winter swing sets when West Lawn's gardens wake and when frost returns.
ZIP codes in West Lawn
- 19609