Narberth, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Narberth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast43%—102°74°—
- SundayJul 5Heavy Rain89%1.00″96°70°-6°
- MondayJul 6T-storm w/ Hail89%0.03″83°71°-13°
- TuesdayJul 7Light Showers72%—79°69°-4°
- WednesdayJul 8Light Drizzle16%0.03″81°65°+2°
- ThursdayJul 9Overcast28%—91°69°+10°
- FridayJul 10Light Drizzle34%0.01″87°73°-4°
AQI 54 (Moderate), driven by PM2.5. AQI down 11 over the last 6 hours (gradual decline). PM2.5 at 21.3 µg/m³ (AQI 74) with a 0.92 fine-to-coarse ratio and 4 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 3 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 21.3 µg/m³ (AQI 74) with a 0.92 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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
- 10:54 PM
- Moonset
- 10:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Narberth at a glance
- Today vs. normal: 74°F — typical for the season
- 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: 19072
15-Day Forecast — Narberth
- Sat101°74°43%
- Sun96°70°89%
- Mon83°71°89%
- Tue79°69°72%
- Wed81°65°16%
- Thu91°69°28%
- Fri87°73°34%
- Sat89°73°34%
- Sun79°70°32%
- Mon84°68°17%
- Tue89°73°16%
- Wed80°68°24%
- Thu86°65°23%
- Fri90°69°34%
- Sat75°70°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 — Narberth
SPC has placed Narberth 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
Narberth peaks at about 77°F in July and bottoms near 31°F in January; December brings the heaviest rain (4.2 inches) and February the least (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
Narberth swings from 31°F in January to 77°F in July (46°F) per NOAA NCEI 1991-2020 normals; precipitation in Narberth runs about 43.1 inches on roughly 173 measurable days.
Narberth'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 Narberth's rain calendar. That even rhythm groups Narberth with places like Wynnewood, PA, Merion Station, PA and Penn Wynne, PA.
Once Narberth passes mid-April, overnight freezes fade and peas, lettuce, spinach, and radishes can be sown. Narberth's heat-lovers — tomatoes, peppers, squash — hold off until Narberth's frost risk clears, 10-14 days on. Frost returns to Narberth near mid-November, ending the tender-crop season. A creek-bottom lot in Narberth can lag Narberth's last frost 7-10 days behind a south slope.
Similar climates: Wynnewood, PA, Merion Station, PA, Penn Wynne, PA, Ardmore, PA, Bala Cynwyd, PA.
Frequently asked
- When does it freeze in Narberth?
- In Narberth, expect the last spring frost near mid-April; Narberth's first autumn frost comes around mid-November.
- What is the rainy season in Narberth?
- Rainfall in Narberth peaks in December near 4.2 inches, out of about 43 inches annually.
- What is the warmest month in Narberth?
- Narberth peaks in July, when the mean runs near 77°F.
- What is the coldest month in Narberth?
- January is Narberth's coldest month, averaging about 31°F.
- When can I start a vegetable garden in Narberth?
- Hardy spring crops go in near mid-April in Narberth; tender peppers and squash wait 10–14 days.
- How many rainy days does Narberth get?
- Expect roughly 173 wet days a year in Narberth.
- What hardiness zone is Narberth?
- With January around 31°F, Narberth's zone reflects that minimum — the USDA ZIP map confirms Narberth's band.
- What is the 10-day forecast for Narberth?
- Narberth'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 Narberth?
- See this week's day-by-day rain chances for Narberth in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Narberth?
- Current conditions for Narberth and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Narberth forecast updated?
- The Narberth forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Narberth?
- Today's sunrise and sunset times for Narberth 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 Narberth?
- The next few days in Narberth's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Narberth, Pennsylvania, the warm-summer humid continental climate runs from about 31°F in January to 77°F in July, a 46°F seasonal range.
In a typical year Narberth records about 43 inches of precipitation on around 173 days.
From 40.0°N, Narberth sees a 46°F seasonal swing that governs Narberth's planting and frost windows.
ZIP codes in Narberth
- 19072