Olney, MD 20830 Hourly Weather

Montgomery County5:18 AM EDT39.16°N, 77.07°W

Next 48 hours

5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM Thu Oct 22 2 AM 5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM Fri Oct 23 2 AM 35° 40° 45° 50° 55° 60° 65° %
TemperatureFeels likeChance of precipitationNight
Wednesday, October 2119 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
5 AM Clear 45° 41° 0% 0.00 in N 7 G15 89% 42° 0% 0
6 AM Sunny 45° 41° 0% 0.00 in N 7 G15 82% 40° 0% 0
7 AM Sunny 45° 41° 0% 0.00 in N 7 G15 76% 38° 0% 0
8 AM Sunny 45° 41° 0% 0.00 in N 7 G14 73% 37° 1% 0
9 AM Sunny 45° 41° 0% 0.00 in N 7 G14 76% 38° 1% 1
10 AM Sunny 50° 47° 0% 0.00 in N 8 G14 66% 39° 1% 2
11 AM Sunny 54° 54° 0% 0.00 in N 8 G14 57% 39° 2% 3
12 PM Sunny 56° 56° 0% 0.00 in N 8 G15 53% 39° 2% 4
1 PM Sunny 59° 59° 0% 0.00 in N 9 G15 47% 39° 3% 5
2 PM Sunny 61° 61° 0% 0.00 in N 9 G16 42% 38° 11% 4
3 PM Sunny 62° 62° 0% 0.00 in N 9 G16 43% 39° 7% 3
4 PM Sunny 63° 63° 0% 0.00 in N 9 G16 39% 38° 13% 1
5 PM Sunny 61° 61° 0% 0.00 in N 8 G16 42% 38° 9% 0
6 PM Clear 59° 59° 0% 0.00 in N 7 G15 45% 38° 1% 0
7 PM Mostly Clear 55° 55° 0% 0.00 in N 6 G14 55% 39° 9% 0
8 PM Mostly Clear 51° 51° 0% 0.00 in N 5 G13 63% 39° 14% 0
9 PM Mostly Clear 48° 46° 0% 0.00 in N 5 G13 71% 39° 9% 0
10 PM Mostly Clear 47° 44° 0% 0.00 in N 6 G13 74% 39° 9% 0
11 PM Mostly Clear 46° 43° 0% 0.00 in N 6 G13 76% 39° 9% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 45° 42° 0% 0.00 in N 6 G13 79% 39° 5% 0
1 AM Mostly Clear 44° 41° 0% 0.00 in N 6 G14 79% 38° 7% 0
2 AM Mostly Clear 44° 41° 0% 0.00 in N 6 G14 76% 37° 17% 0
3 AM Mostly Clear 42° 38° 0% 0.00 in N 6 G14 79% 36° 21% 0
4 AM Mostly Clear 42° 38° 0% 0.00 in N 7 G15 79% 36° 7% 0
5 AM Clear 41° 36° 0% 0.00 in N 7 G15 82% 36° 2% 0
6 AM Sunny 41° 36° 0% 0.00 in N 7 G15 79% 35° 8% 0
7 AM Sunny 40° 35° 0% 0.00 in NW 7 G15 79% 34° 1% 0
8 AM Sunny 40° 35° 0% 0.00 in NW 7 G15 76% 33° 1% 0
9 AM Sunny 45° 41° 0% 0.00 in NW 8 G16 62% 33° 2% 1
10 AM Sunny 52° 52° 0% 0.00 in N 9 G17 48% 33° 2% 2
11 AM Sunny 55° 55° 0% 0.00 in N 10 G18 45% 34° 2% 3
12 PM Sunny 58° 58° 0% 0.00 in N 10 G20 42% 35° 2% 4
1 PM Sunny 61° 61° 0% 0.00 in N 10 G20 39% 36° 2% 4
2 PM Sunny 63° 63° 0% 0.00 in N 10 G20 38% 37° 3% 4
3 PM Sunny 64° 64° 0% 0.00 in N 10 G21 38% 38° 3% 3
4 PM Sunny 64° 64° 0% 0.00 in N 10 G21 40% 39° 2% 1
5 PM Sunny 63° 63° 0% 0.00 in N 9 G20 44% 41° 6% 0
6 PM Clear 61° 61° 0% 0.00 in N 8 G17 49% 42° 1% 0
7 PM Clear 57° 57° 0% 0.00 in N 7 G15 59% 43° 0% 0
8 PM Clear 53° 53° 0% 0.00 in N 6 G14 71% 44° 3% 0
9 PM Clear 51° 51° 0% 0.00 in N 6 G15 77% 44° 5% 0
10 PM Clear 50° 48° 0% 0.00 in N 6 G16 83% 45° 5% 0
11 PM Clear 49° 46° 0% 0.00 in N 7 G16 86% 45° 5% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 49° 46° 0% 0.00 in N 7 G17 86% 45° 5% 0
1 AM Mostly Clear 48° 44° 0% 0.00 in N 8 G18 89% 45° 6% 0
2 AM Mostly Clear 48° 44° 0% 0.00 in N 8 G18 89% 45° 6% 0
3 AM Clear 47° 43° 0% 0.00 in N 8 G18 89% 44° 5% 0
4 AM Clear 45° 41° 0% 0.00 in N 8 G18 96% 44° 3% 0
5 AM Clear 43° 38° 0% 0.00 in N 8 G17 100% 43° 2% 0
6 AM Sunny 42° 37° 0% 0.00 in N 8 G16 100% 42° 2% 0
7 AM Sunny 41° 36° 0% 0.00 in N 7 G15 100% 41° 1% 0
8 AM Sunny 41° 36° 0% 0.00 in N 7 G14 100% 41° 1% 0
9 AM Sunny 44° 40° 0% 0.00 in N 7 G14 86% 40° 2% 1
10 AM Sunny 49° 46° 0% 0.00 in NE 8 G14 68% 39° 2% 2
11 AM Sunny 53° 53° 0% 0.00 in NE 8 G14 57% 38° 3% 3
12 PM Sunny 55° 55° 0% 0.00 in NE 8 49% 36° 4% 4
1 PM Sunny 57° 57° 0% 0.00 in NE 7 42% 34° 6% 4
2 PM Sunny 58° 58° 0% 0.00 in NE 6 39% 33° 7% 3
3 PM Sunny 59° 59° 0% 0.00 in NE 6 36% 32° 8% –
4 PM Sunny 59° 59° 0% 0.00 in NE 5 G10 36% 32° 10% –
5 PM Sunny 58° 58° 0% 0.00 in NE 5 G10 39% 33° 11% –
6 PM Mostly Clear 55° 55° 0% 0.00 in NE 3 G9 45% 34° 11% –
7 PM Mostly Clear 51° 51° 0% 0.00 in NE 3 G8 56% 36° 11% –
8 PM Mostly Clear 47° 47° 0% 0.00 in NE 2 68% 37° 11% –
9 PM Mostly Clear 45° 45° 0% 0.00 in NE 2 73% 37° 10% –
10 PM Mostly Clear 43° 43° 0% 0.00 in NE 2 79% 37° 10% –
11 PM Mostly Clear 42° 42° 0% 0.00 in NE 2 79% 36° 9% –
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 41° 41° 0% 0.00 in NE 2 82% 36° 9% –
1 AM Mostly Clear 41° 41° 0% 0.00 in NE 1 82% 36° 10% –
2 AM Mostly Clear 40° 40° 0% 0.00 in NE 1 85% 36° 10% –
3 AM Mostly Clear 39° 39° 0% 0.00 in NE 1 89% 36° 9% –
4 AM Mostly Clear 38° 38° 0% 0.00 in NE 1 92% 36° 8% –
5 AM Mostly Clear 38° 38° 0% 0.00 in NE 1 92% 36° 7% –
6 AM Sunny 37° 37° 0% 0.00 in NE 1 96% 36° 6% –
7 AM Sunny 36° 36° 0% 0.00 in NE 2 96% 35° 5% –
8 AM Sunny 37° 37° 0% – NE 2 92% 35° 4% –
9 AM Sunny 42° 42° 0% – NE 2 79% 36° 3% –
10 AM Sunny 48° 48° 0% – E 2 63% 36° 3% –
11 AM Sunny 53° 53° 0% – E 2 54% 37° 2% –
12 PM Sunny 56° 56° 0% – E 2 47% 36° 3% –
1 PM Sunny 58° 58° 0% – E 2 44% 36° 3% –
2 PM Sunny 59° 59° 0% – SE 2 40% 35° 4% –
3 PM Sunny 60° 60° 0% – SE 2 39% 35° 6% –
4 PM Sunny 60° 60° 0% – E 2 39% 35° 9% –
5 PM Sunny 58° 58° 0% – E 2 44% 36° 11% –
6 PM Mostly Clear 55° 55° 0% – E 2 51% 37° 11% –
7 PM Mostly Clear 51° 51° 0% – E 1 63% 39° 12% –
8 PM Mostly Clear 50° 50° 0% – E 1 68% 40° 12% –
9 PM Mostly Clear 47° 47° 0% – E 1 76% 40° 12% –
10 PM Mostly Clear 45° 45° 0% – Calm 82% 40° 12% –
11 PM Mostly Clear 43° 43° 0% – Calm 89% 40° 12% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 42° 42° 0% – Calm 93% 40° 12% –
1 AM Mostly Clear 41° 41° 0% – Calm 96% 40° 12% –
2 AM Mostly Clear 41° 41° 0% – Calm 96% 40° 8% –
3 AM Mostly Clear 40° 40° 0% – Calm 100% 40° 8% –
4 AM Mostly Clear 40° 40° 0% – Calm 96% 39° 8% –
5 AM Mostly Clear 39° 39° 0% – Calm 100% 39° 8% –
6 AM Sunny 38° 38° 0% – Calm 100% 38° 8% –
7 AM Sunny 38° 38° 0% – N 1 100% 38° 8% –
8 AM Sunny 39° 39° 0% – N 1 100% 39° 4% –
9 AM Sunny 44° 44° 0% – NE 1 86% 40° 4% –
10 AM Sunny 50° 50° 0% – E 2 74% 42° 4% –
11 AM Sunny 55° 55° 0% – SE 2 64% 43° 4% –
12 PM Sunny 58° 58° 0% – S 2 57% 43° 4% –
1 PM Sunny 61° 61° 0% – S 2 49% 42° 4% –
2 PM Sunny 62° 62° 0% – S 2 46% 41° 4% –
3 PM Sunny 63° 63° 0% – S 2 44% 41° 4% –
4 PM Sunny 64° 64° 0% – S 2 43% 41° 4% –
5 PM Sunny 63° 63° 0% – S 2 46% 42° 4% –
6 PM Clear 60° 60° 0% – S 1 53% 43° 4% –
7 PM Clear 57° 57° 0% – SE 1 62% 44° 4% –
8 PM Mostly Clear 53° 53° 0% – Calm 74% 45° 9% –
9 PM Mostly Clear 50° 50° 0% – Calm 83% 45° 9% –
10 PM Mostly Clear 48° 48° 0% – Calm 89% 45° 9% –
11 PM Mostly Clear 46° 46° 0% – Calm 96% 45° 9% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 45° 45° 0% – Calm 96% 44° 9% –
1 AM Mostly Clear 45° 45° 0% – Calm 96% 44° 9% –
2 AM Mostly Clear 45° 45° 0% – Calm 93% 43° 7% –
3 AM Mostly Clear 44° 44° 0% – Calm 96% 43° 7% –
4 AM Mostly Clear 43° 43° 0% – W 1 96% 42° 7% –
5 AM Mostly Clear 42° 42° 0% – W 1 100% 42° 7% –
6 AM Sunny 41° 41° 0% – W 1 100% 41° 7% –
7 AM Sunny 41° 41° 0% – W 1 100% 41° 7% –
8 AM Sunny 42° 42° 0% – W 1 96% 41° 13% –
9 AM Sunny 46° 46° 0% – W 2 86% 42° 13% –
10 AM Sunny 52° 52° 0% – W 2 74% 44° 13% –
11 AM Sunny 57° 57° 0% – W 3 64% 45° 13% –
12 PM Sunny 61° 61° 0% – W 3 56% 45° 13% –
1 PM Sunny 64° 64° 0% – W 3 50% 45° 13% –
2 PM Sunny 66° 66° 0% – W 3 47% 45° 14% –
3 PM Sunny 67° 67° 0% – W 3 45% 45° 14% –
4 PM Sunny 67° 67° 0% – W 2 47% 46° 14% –
5 PM Sunny 66° 66° 0% – W 2 48% 46° 14% –
6 PM Mostly Clear 64° 64° 0% – W 2 54% 47° 14% –
7 PM Mostly Clear 60° 60° 0% – W 1 64% 48° 14% –
8 PM Mostly Clear 57° 57° 0% – W 1 72% 48° 23% –
9 PM Mostly Clear 55° 55° 0% – W 1 77% 48° 23% –
10 PM Mostly Clear 53° 53° 0% – W 1 80% 47° 23% –
11 PM Mostly Clear 51° 51° 0% – W 1 86% 47° 23% –
Tuesday, October 2715 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 50° 50° 0% – W 1 G7 89% 47° 23% –
1 AM Mostly Clear 49° 49° 0% – W 2 89% 46° 23% –
2 AM Partly Cloudy 49° 49° 0% – W 2 G8 89% 46° 30% –
3 AM Partly Cloudy 49° 49° 0% – NW 2 G8 89% 46° 30% –
4 AM Partly Cloudy 48° 47° 0% – NW 3 G9 89% 45° 30% –
5 AM Partly Cloudy 48° 47° 0% – NW 3 G9 89% 45° 30% –
6 AM Mostly Sunny 47° 45° 0% – NW 5 G10 93% 45° 30% –
7 AM Mostly Sunny 46° 44° 0% – NW 5 G10 96% 45° 30% –
8 AM Mostly Sunny 47° 44° 1% – NW 6 G12 93% 45° 26% –
9 AM Mostly Sunny 50° 47° 1% – NW 7 86% 46° 26% –
10 AM Mostly Sunny 54° 54° 1% – NW 7 74% 46° 26% –
11 AM Mostly Sunny 58° 58° 1% – NW 7 67% 47° 26% –
12 PM Mostly Sunny 61° 61° 1% – NW 7 60% 47° 26% –
1 PM Mostly Sunny 63° 63° 1% – NW 6 G12 56% 47° 26% –
2 PM Mostly Sunny 64° 64° 0% – NW 6 G12 54% 47° 37% –

National Weather Service forecast updated 2 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 4Conservative index and reflects what the press published. Terms of use.