Norristown, PA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Norristown now
Loading the National Weather Service forecast…
Norristown weather by the hour
Norristown weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Norristown.
This week in Norristown
Sunrise, sunset and moon in Norristown
What is the weather usually like in Norristown?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 89°F average high
- Januarycoldest month · 22°F average low
- 50.7 inprecipitation per year · 1,287 mm
- 25.3 insnowfall per year · 64 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Norristown: May–June and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station NORRISTOWN, PA US (USC00366370), adjusted for the elevation of Norristown.
Norristown weather month by month
Sunrise and sunset in Norristown through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:19 AM | 5:01 PM | 9 h 41 min |
| February | 6:52 AM | 5:38 PM | 10 h 45 min |
| March | 7:10 AM | 7:09 PM | 11 h 58 min |
| April | 6:21 AM | 7:41 PM | 13 h 19 min |
| May | 5:43 AM | 8:11 PM | 14 h 27 min |
| June | 5:29 AM | 8:33 PM | 15 h 3 min |
| July | 5:43 AM | 8:31 PM | 14 h 47 min |
| August | 6:11 AM | 7:59 PM | 13 h 48 min |
| September | 6:41 AM | 7:11 PM | 12 h 30 min |
| October | 7:10 AM | 6:23 PM | 11 h 12 min |
| November | 6:45 AM | 4:46 PM | 10 h 0 min |
| December | 7:14 AM | 4:38 PM | 9 h 23 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Norristown?
Norristown has a hot-summer humid continental climate. The warmest month is July, with an average high of 89°F (31°C), and the coldest is January, with average lows of 22°F (-5°C).
It gets about 50.7 inches (1,287 mm) of precipitation a year. The wettest month is August and the driest is February. Snow is common: about 25 inches fall in an average year.
The best time to visit Norristown is May–June and September–October. At 135 ft of elevation, nights are mild most of the year. 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.
More about Norristown
Weather in towns near Norristown
Questions about the weather in Norristown
What is the hottest month in Norristown?
July, with an average high of 89°F (31°C).
What is the coldest month in Norristown?
January, with an average low of 22°F (-5°C).
How much does it rain in Norristown?
About 50.7 inches (1,287 mm) a year; the wettest month is August.
Does it snow in Norristown?
Yes, about 25 inches of snow fall in an average year.
When is the best time to visit Norristown?
May–June and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Norristown have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Norristown in November?
Highs average 56°F and lows 35°F, with about 3.6 inches of precipitation.
What time is sunrise in Norristown?
Around 6:45 AM in mid-November, and sunset around 4:46 PM. Today’s exact times are shown above.
Where does this Norristown weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Norristown.
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