Today
Mostly clear throughout the day, high +59°, low +50°. Wind gusts reach 6 mph. The day promises to be dry.
Weather in Swarthmore
United States · Pennsylvania · 39.9021, -75.3499
Today Now 9:15 AM
+50° Mostly clear
Hourly forecast
Today10/31
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow high +61° and partly cloudy, nighttime low +46° — almost like today.
Week
Seven days ahead fall within +46°…+73°. Peak warmth: Fri, +73°. Coldest night — Sun, around +46°. No rain in the forecast. Warmer closer to the weekend.
Week vs norm
- Today 10/31 +59° −2° usually +61°
- Tomorrow 11/1 +61° as usual usually +60°
- Mon 11/2 +64° +5° usually +60°
- Tue 11/3 +68° +9° usually +59°
- Wed 11/4 +72° +13° usually +59°
- Thu 11/5 +72° +13° usually +59°
- Fri 11/6 +73° +15° usually +58°
- Sat 11/7 +63° +5° usually +58°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 31
Today is cooler than usual for this date.
- Heat record +82° 2024
- Cold record +30° 2011
- Most precipitation 0.5 in 2019
- Strongest gust 39 mph 2019
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Swarthmore
Today is about 7° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +40° / +27° | +33° | 3.3 |
| Feb | +43° / +28° | +35° | 3.1 |
| Mar | +52° / +35° | +42° | 4.1 |
| Apr | +64° / +45° | +53° | 3.7 |
| May | +73° / +55° | +63° | 3.6 |
| Jun | +81° / +64° | +72° | 3.9 |
| Jul | +86° / +69° | +77° | 4.1 |
| Aug | +84° / +68° | +75° | 3.9 |
| Sep | +78° / +61° | +69° | 4.1 |
| Oct | +66° / +50° | +57° | 3.6 |
| Nov | +55° / +40° | +46° | 2.9 |
| Dec | +45° / +32° | +38° | 4.0 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:29 AM | 5:59 PM
Moon
11:06 PM | 1:33 PM
Moon phase
Waning gibbous 63%
Next solar eclipse
Calculating for this city…