Eureka, PA
Unincorporated community in Westmoreland County, Pennsylvania
Eureka is a small unincorporated community in Westmoreland County, Pennsylvania. It is 0.6 miles NW of Smithton, the nearest town. Its ZIP code is 15448.
Eureka at a glance
- State
- Pennsylvania
- County
- Westmoreland County
- ZIP code
- 15448
- Nearest town
- Smithton (0.6 mi)
- Time zone
- America/New York
- Coordinates
- 40.1467, -79.7367
Weather in Eureka now
Loading the National Weather Service forecast…
Eureka weather by the hour
Eureka weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Eureka.
This week in Eureka
Sunrise, sunset and moon in Eureka
What is the weather usually like in Eureka?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 20°F average low
- 40.9 inprecipitation per year · 1,038 mm
- 21.4 insnowfall per year · 54 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Eureka: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station DONORA 1 SW, PA US (USC00362190), adjusted for the elevation of Eureka.
Eureka weather month by month
Sunrise and sunset in Eureka through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:37 AM | 5:19 PM | 9 h 41 min |
| February | 7:10 AM | 5:55 PM | 10 h 45 min |
| March | 7:28 AM | 7:27 PM | 11 h 58 min |
| April | 6:38 AM | 7:58 PM | 13 h 19 min |
| May | 6:01 AM | 8:29 PM | 14 h 27 min |
| June | 5:47 AM | 8:51 PM | 15 h 4 min |
| July | 6:01 AM | 8:48 PM | 14 h 47 min |
| August | 6:29 AM | 8:17 PM | 13 h 48 min |
| September | 6:58 AM | 7:29 PM | 12 h 30 min |
| October | 7:28 AM | 6:40 PM | 11 h 12 min |
| November | 7:03 AM | 5:03 PM | 10 h 0 min |
| December | 7:32 AM | 4:55 PM | 9 h 23 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Eureka?
Eureka has a hot-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 20°F (-6°C).
It gets about 40.9 inches (1,038 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 21 inches fall in an average year.
The best time to visit Eureka is May–June and August–September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Eureka
The closest live webcam is South Huntingdon Township, 1.5 miles NW of Eureka.
Webcams: Windy.com. Distances in a straight line from Eureka.
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Map of Eureka, PA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Eureka Street View
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Open in Google Maps ›Towns near Eureka
Other communities near Eureka
Questions about Eureka
Where is Eureka, PA?
Eureka is an unincorporated community in Westmoreland County, Pennsylvania, 0.6 miles NW of Smithton.
What county is Eureka in?
Eureka is in Westmoreland County, Pennsylvania.
What is the ZIP code of Eureka, PA?
The ZIP code for Eureka is 15448.
What is the nearest town to Eureka?
Smithton, 0.6 miles away.
Are there webcams near Eureka?
Yes. The closest is South Huntingdon Township, 1.5 miles away.
What is the hottest month in Eureka?
July, with an average high of 84°F (29°C).
What is the coldest month in Eureka?
January, with an average low of 20°F (-6°C).
How much does it rain in Eureka?
About 40.9 inches (1,038 mm) a year; the wettest month is June.
Does it snow in Eureka?
Yes, about 21 inches of snow fall in an average year.
When is the best time to visit Eureka?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Eureka have?
Hot-summer humid continental (Köppen Dfa).
Last updated: