Norristown, PA 19404 Hourly Weather

Montgomery County3:42 PM EDT40.21°N, 75.36°W
Frost Advisory from 12:00 AM Sat until 9:00 AM Sat

Next 48 hours

3 PM 6 PM 9 PM Sat Oct 24 12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Sun Oct 25 12 AM 3 AM 6 AM 9 AM 12 PM 35° 40° 45° 50° 55° 60° 65° %
TemperatureFeels likeChance of precipitationNight
Friday, October 239 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
3 PM Sunny 61° 61° 0% 0.00 in NE 5 35% 33° 4% 2
4 PM Sunny 61° 61° 0% 0.00 in NE 5 35% 33° 3% 1
5 PM Sunny 60° 60° 0% 0.00 in NE 5 36% 33° 2% 0
6 PM Mostly Clear 57° 57° 0% 0.00 in NE 5 40% 33° 7% 0
7 PM Mostly Clear 51° 51° 0% 0.00 in NE 5 52% 34° 22% 0
8 PM Partly Cloudy 46° 46° 0% 0.00 in Calm 63% 34° 30% 0
9 PM Partly Cloudy 43° 43° 0% 0.00 in Calm 65% 32° 32% 0
10 PM Partly Cloudy 41° 41° 0% 0.00 in Calm 73% 33° 30% 0
11 PM Mostly Clear 39° 39° 0% 0.00 in Calm 79% 33° 24% 0
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 38° 38° 0% 0.00 in Calm 82% 33° 16% 0
1 AM Patchy Frost 37° 37° 0% 0.00 in Calm 82% 32° 11% 0
2 AM Patchy Frost 37° 37° 0% 0.00 in Calm 82% 32° 18% 0
3 AM Patchy Frost 36° 36° 0% 0.00 in Calm 85% 32° 14% 0
4 AM Patchy Frost 35° 35° 0% 0.00 in Calm 89% 32° 16% 0
5 AM Patchy Frost 35° 35° 0% 0.00 in Calm 89% 32° 20% 0
6 AM Patchy Frost 34° 34° 0% 0.00 in Calm 89% 31° 17% 0
7 AM Patchy Frost 34° 34° 0% 0.00 in Calm 89% 31° 22% 0
8 AM Patchy Frost 35° 35° 0% 0.00 in Calm 89% 32° 17% 0
9 AM Sunny 40° 40° 0% 0.00 in Calm 79% 34° 0% 1
10 AM Sunny 47° 47° 0% 0.00 in Calm 65% 36° 4% 2
11 AM Sunny 54° 54° 0% 0.00 in Calm 52% 37° 8% 3
12 PM Sunny 58° 58° 0% 0.00 in Calm 45% 37° 7% 3
1 PM Sunny 60° 60° 0% 0.00 in Calm 41% 36° 7% 3
2 PM Sunny 61° 61° 0% 0.00 in Calm 39% 36° 6% 3
3 PM Sunny 62° 62° 0% 0.00 in Calm 38% 36° 4% 2
4 PM Sunny 62° 62° 0% 0.00 in Calm 38% 36° 3% 1
5 PM Sunny 61° 61° 0% 0.00 in Calm 41% 37° 1% 0
6 PM Clear 57° 57° 0% 0.00 in Calm 47% 37° 2% 0
7 PM Clear 52° 52° 0% 0.00 in Calm 56% 37° 4% 0
8 PM Clear 47° 47° 0% 0.00 in Calm 68% 37° 5% 0
9 PM Clear 44° 44° 0% 0.00 in Calm 76% 37° 4% 0
10 PM Clear 41° 41° 0% 0.00 in Calm 86% 37° 2% 0
11 PM Clear 39° 39° 0% 0.00 in Calm 92% 37° 1% 0
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 38° 38° 0% 0.00 in Calm 96% 37° 1% 0
1 AM Patchy Frost 37° 37° 0% 0.00 in Calm 96% 36° 2% 0
2 AM Patchy Frost 37° 37° 0% 0.00 in Calm 96% 36° 2% 0
3 AM Patchy Frost 37° 37° 0% 0.00 in Calm 96% 36° 2% 0
4 AM Patchy Frost 36° 36° 0% 0.00 in Calm 96% 35° 2% 0
5 AM Patchy Frost 36° 36° 0% 0.00 in Calm 96% 35° 2% 0
6 AM Patchy Frost 35° 35° 0% 0.00 in Calm 96% 34° 3% 0
7 AM Patchy Frost 35° 35° 0% 0.00 in Calm 92% 33° 4% 0
8 AM Patchy Frost 36° 36° 0% 0.00 in Calm 92% 34° 5% 0
9 AM Sunny 42° 42° 0% 0.00 in Calm 79% 36° 4% –
10 AM Sunny 49° 49° 0% 0.00 in Calm 71% 40° 3% –
11 AM Sunny 56° 56° 0% 0.00 in Calm 59% 42° 2% –
12 PM Sunny 60° 60° 0% 0.00 in Calm 49% 41° 2% –
1 PM Sunny 62° 62° 0% 0.00 in Calm 44% 40° 1% –
2 PM Sunny 63° 63° 0% 0.00 in Calm 41% 39° 1% –
3 PM Sunny 65° 65° 0% 0.00 in Calm 38% 39° 1% –
4 PM Sunny 65° 65° 0% 0.00 in Calm 40% 40° 0% –
5 PM Sunny 64° 64° 0% 0.00 in Calm 41% 40° 0% –
6 PM Clear 60° 60° 0% 0.00 in Calm 49% 41° 1% –
7 PM Clear 55° 55° 0% 0.00 in Calm 59% 41° 2% –
8 PM Clear 52° 52° 0% – Calm 71% 43° 3% –
9 PM Clear 48° 48° 0% – Calm 83% 43° 3% –
10 PM Clear 45° 45° 0% – Calm 89% 42° 3% –
11 PM Clear 42° 42° 0% – Calm 100% 42° 3% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 41° 41° 0% – Calm 100% 41° 3% –
1 AM Clear 40° 40° 0% – Calm 100% 40° 3% –
2 AM Clear 40° 40° 0% – Calm 100% 40° 3% –
3 AM Clear 40° 40° 0% – Calm 96% 39° 3% –
4 AM Clear 39° 39° 0% – Calm 96% 38° 3% –
5 AM Clear 39° 39° 0% – Calm 96% 38° 3% –
6 AM Sunny 38° 38° 0% – Calm 100% 38° 3% –
7 AM Sunny 37° 37° 0% – Calm 100% 37° 3% –
8 AM Sunny 39° 39° 0% – Calm 100% 39° 4% –
9 AM Sunny 44° 44° 0% – Calm 93% 42° 4% –
10 AM Sunny 51° 51° 0% – Calm 80% 45° 4% –
11 AM Sunny 58° 58° 0% – W 5 69% 48° 4% –
12 PM Sunny 62° 62° 0% – W 5 62% 49° 4% –
1 PM Sunny 65° 65° 0% – W 5 54% 48° 4% –
2 PM Sunny 67° 67° 0% – W 5 50% 48° 2% –
3 PM Sunny 68° 68° 0% – W 5 51% 49° 2% –
4 PM Sunny 68° 68° 0% – W 5 51% 49° 2% –
5 PM Sunny 67° 67° 0% – W 5 54% 50° 2% –
6 PM Clear 64° 64° 0% – W 5 60% 50° 2% –
7 PM Clear 61° 61° 0% – Calm 67% 50° 2% –
8 PM Mostly Clear 57° 57° 0% – Calm 77% 50° 7% –
9 PM Mostly Clear 54° 54° 0% – Calm 86% 50° 7% –
10 PM Mostly Clear 51° 51° 0% – Calm 93% 49° 7% –
11 PM Mostly Clear 49° 49° 0% – Calm 100% 49° 7% –
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 48° 48° 0% – Calm 100% 48° 7% –
1 AM Mostly Clear 48° 48° 0% – Calm 100% 48° 7% –
2 AM Mostly Clear 48° 48° 0% – Calm 96% 47° 19% –
3 AM Mostly Clear 48° 48° 0% – Calm 96% 47° 19% –
4 AM Mostly Clear 47° 46° 0% – N 5 96% 46° 19% –
5 AM Mostly Clear 47° 46° 0% – N 5 96% 46° 19% –
6 AM Sunny 46° 45° 0% – N 5 100% 46° 19% –
7 AM Sunny 45° 43° 0% – N 5 100% 45° 19% –
8 AM Sunny 46° 44° 0% – N 5 100% 46° 23% –
9 AM Sunny 50° 48° 0% – N 5 89% 47° 23% –
10 AM Sunny 55° 55° 0% – N 5 G12 77% 48° 23% –
11 AM Sunny 59° 59° 0% – N 5 G13 69% 49° 23% –
12 PM Sunny 62° 62° 0% – N 5 G13 62% 49° 23% –
1 PM Sunny 63° 63° 0% – N 5 G12 58% 48° 23% –
2 PM Sunny 64° 64° 0% – N 5 G10 54% 47° 18% –
3 PM Sunny 65° 65° 0% – N 5 52% 47° 18% –
4 PM Sunny 65° 65° 0% – N 5 50% 46° 18% –
5 PM Sunny 64° 64° 0% – N 5 52% 46° 18% –
6 PM Mostly Clear 62° 62° 0% – NE 5 56% 46° 18% –
7 PM Mostly Clear 58° 58° 0% – Calm 62% 45° 18% –
8 PM Partly Cloudy 55° 55° 0% – Calm 69% 45° 32% –
9 PM Partly Cloudy 52° 52° 0% – Calm 77% 45° 32% –
10 PM Partly Cloudy 49° 49° 0% – Calm 83% 44° 32% –
11 PM Partly Cloudy 46° 46° 0% – Calm 93% 44° 32% –
Wednesday, October 2824 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Partly Cloudy 44° 44° 0% – Calm 96% 43° 32% –
1 AM Partly Cloudy 44° 44° 0% – Calm 93% 42° 32% –
2 AM Mostly Cloudy 43° 43° 0% – Calm 93% 41° 51% –
3 AM Mostly Cloudy 42° 42° 0% – Calm 93% 40° 51% –
4 AM Mostly Cloudy 42° 42° 0% – Calm 89% 39° 51% –
5 AM Mostly Cloudy 42° 42° 0% – Calm 89% 39° 51% –
6 AM Partly Sunny 41° 41° 0% – Calm 93% 39° 51% –
7 AM Partly Sunny 41° 39° 0% – NE 5 89% 38° 51% –
8 AM Partly Sunny 42° 40° 0% – NE 5 89% 39° 60% –
9 AM Partly Sunny 46° 45° 0% – NE 5 83% 41° 60% –
10 AM Partly Sunny 51° 51° 0% – E 5 71% 42° 60% –
11 AM Partly Sunny 55° 55° 0% – E 5 66% 44° 60% –
12 PM Partly Sunny 58° 58° 0% – E 5 60% 44° 60% –
1 PM Partly Sunny 59° 59° 0% – E 5 57% 44° 60% –
2 PM Partly Sunny 60° 60° 2% – E 5 55% 44° 61% –
3 PM Partly Sunny 61° 61° 2% – E 5 53% 44° 61% –
4 PM Partly Sunny 62° 62° 2% – SE 5 54% 45° 61% –
5 PM Partly Sunny 61° 61° 2% – SE 5 56% 45° 61% –
6 PM Mostly Cloudy 59° 59° 2% – SE 5 60% 45° 61% –
7 PM Mostly Cloudy 56° 56° 2% – Calm 69% 46° 61% –
8 PM Mostly Cloudy 53° 53° 3% – Calm 77% 46° 66% –
9 PM Mostly Cloudy 50° 50° 3% – Calm 86% 46° 66% –
10 PM Mostly Cloudy 48° 48° 3% – Calm 93% 46° 66% –
11 PM Mostly Cloudy 46° 46° 3% – Calm 100% 46° 66% –
Thursday, October 295 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 45° 45° 3% – Calm 100% 45° 66% –
1 AM Mostly Cloudy 45° 45° 3% – Calm 100% 45° 66% –
2 AM Partly Cloudy 45° 45° 5% – Calm 100% 45° 49% –
3 AM Partly Cloudy 45° 45° 5% – Calm 100% 45° 49% –
4 AM Partly Cloudy 44° 44° 5% – Calm 100% 44° 49% –

National Weather Service forecast updated 23 hrs ago. Precipitation amounts are the forecast liquid equivalent for each hour.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.