Saint Charles, MO 63303 Hourly Weather

Saint Charles County2:02 PM CDT38.76°N, 90.55°W

Next 48 hours

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 5 AM 8 AM 11 AM 45° 50° 55° 60° 65° 70° 75° %
TemperatureFeels likeChance of precipitationNight
Wednesday, October 2110 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
2 PM Sunny 72° 72° 1% 0.00 in SW 1 46% 50° 22% 4
3 PM Sunny 73° 73° 1% 0.00 in Calm 44% 50° 20% 3
4 PM Sunny 74° 74° 1% 0.00 in Calm 41% 49° 22% 1
5 PM Sunny 73° 73° 1% 0.00 in Calm 44% 50° 20% 0
6 PM Mostly Clear 70° 70° 1% 0.00 in Calm 51% 51° 18% 0
7 PM Mostly Clear 66° 66° 1% 0.00 in Calm 61% 52° 15% 0
8 PM Mostly Clear 61° 61° 1% 0.00 in Calm 72% 52° 13% 0
9 PM Mostly Clear 59° 59° 1% 0.00 in Calm 78% 52° 15% 0
10 PM Mostly Clear 57° 57° 1% 0.00 in Calm 83% 52° 13% 0
11 PM Mostly Clear 56° 56° 1% 0.00 in Calm 83% 51° 13% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 54° 54° 1% 0.00 in Calm 86% 50° 13% 0
1 AM Mostly Clear 53° 53° 1% 0.00 in Calm 89% 50° 15% 0
2 AM Mostly Clear 52° 52° 1% 0.00 in Calm 93% 50° 16% 0
3 AM Mostly Clear 51° 51° 1% 0.00 in Calm 93% 49° 17% 0
4 AM Mostly Clear 50° 50° 1% 0.00 in Calm 96% 49° 18% 0
5 AM Mostly Clear 50° 50° 1% 0.00 in Calm 96% 49° 10% 0
6 AM Sunny 49° 49° 1% 0.00 in Calm 96% 48° 4% 0
7 AM Sunny 48° 48° 1% 0.00 in Calm 100% 48° 4% 0
8 AM Sunny 50° 50° 1% 0.00 in Calm 96% 49° 2% 0
9 AM Sunny 54° 54° 0% 0.00 in Calm 93% 52° 1% 1
10 AM Sunny 62° 62° 0% 0.00 in Calm 70% 52° 0% 2
11 AM Sunny 67° 67° 0% 0.00 in Calm 61% 53° 0% 4
12 PM Sunny 71° 71° 0% 0.00 in Calm 51% 52° 1% 4
1 PM Sunny 74° 74° 0% 0.00 in Calm 46% 52° 2% 5
2 PM Sunny 75° 75° 0% 0.00 in Calm 45% 52° 1% 4
3 PM Sunny 75° 75° 0% 0.00 in NE 1 45% 52° 2% 2
4 PM Sunny 76° 76° 0% 0.00 in NE 1 43% 52° 2% 1
5 PM Sunny 74° 74° 0% 0.00 in Calm 46% 52° 1% 0
6 PM Clear 72° 72° 0% 0.00 in Calm 51% 53° 1% 0
7 PM Clear 68° 68° 0% 0.00 in Calm 61% 54° 2% 0
8 PM Clear 63° 63° 0% 0.00 in Calm 72% 54° 0% 0
9 PM Clear 61° 61° 0% 0.00 in Calm 78% 54° 1% 0
10 PM Clear 59° 59° 0% 0.00 in Calm 80% 53° 1% 0
11 PM Clear 57° 57° 0% 0.00 in Calm 86% 53° 3% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 56° 56° 0% 0.00 in Calm 86% 52° 2% 0
1 AM Clear 55° 55° 0% 0.00 in SE 1 90% 52° 3% 0
2 AM Clear 54° 54° 0% 0.00 in SE 1 90% 51° 1% 0
3 AM Clear 53° 53° 0% 0.00 in SE 1 89% 50° 1% 0
4 AM Clear 51° 51° 0% 0.00 in SE 2 96% 50° 4% 0
5 AM Clear 51° 51° 0% 0.00 in SE 2 96% 50° 1% 0
6 AM Sunny 50° 50° 0% 0.00 in SE 2 96% 49° 2% 0
7 AM Sunny 49° 49° 0% 0.00 in SE 2 100% 49° 2% 0
8 AM Sunny 51° 51° 0% 0.00 in SE 2 96% 50° 0% 0
9 AM Sunny 56° 56° 0% 0.00 in SE 2 83% 51° 1% 1
10 AM Sunny 62° 62° 0% 0.00 in SE 3 70% 52° 1% 2
11 AM Sunny 67° 67° 0% 0.00 in SE 3 59% 52° 1% 3
12 PM Sunny 71° 71° 0% 0.00 in SE 5 51% 52° 1% 4
1 PM Sunny 73° 73° 0% 0.00 in SE 5 48% 52° 1% 5
2 PM Sunny 75° 75° 0% 0.00 in SE 5 45% 52° 2% 4
3 PM Sunny 76° 76° 0% 0.00 in SE 5 42% 51° 3% 3
4 PM Sunny 75° 75° 0% 0.00 in SE 5 43% 51° 4% 1
5 PM Sunny 73° 73° 0% 0.00 in SE 5 48% 52° 6% 0
6 PM Mostly Clear 70° 70° 0% 0.00 in SE 3 G8 53% 52° 8% 0
7 PM Mostly Clear 67° 67° 0% 0.00 in SE 3 61% 53° 10% 0
8 PM Mostly Clear 64° 64° 0% 0.00 in SE 3 67% 53° 12% 0
9 PM Mostly Clear 61° 61° 0% 0.00 in SE 5 75% 53° 14% 0
10 PM Mostly Clear 59° 59° 0% 0.00 in SE 5 78% 52° 16% 0
11 PM Mostly Clear 57° 57° 0% 0.00 in SE 5 80% 51° 19% 0
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 56° 56° 0% 0.00 in SE 5 80% 50° 22% 0
1 AM Mostly Clear 55° 55° 0% 0.00 in SE 5 80% 49° 25% 0
2 AM Mostly Clear 54° 54° 0% 0.00 in SE 5 83% 49° 24% –
3 AM Mostly Clear 53° 53° 0% 0.00 in SE 3 86% 49° 22% –
4 AM Mostly Clear 52° 52° 0% 0.00 in SE 3 89% 49° 21% –
5 AM Mostly Clear 50° 49° 0% 0.00 in SE 3 96% 49° 24% –
6 AM Mostly Sunny 50° 49° 0% 0.00 in SE 3 93% 48° 28% –
7 AM Mostly Sunny 50° 49° 0% 0.00 in SE 3 93% 48° 31% –
8 AM Mostly Sunny 53° 53° 0% 0.00 in SE 3 86% 49° 32% –
9 AM Mostly Sunny 57° 57° 0% 0.00 in SE 3 77% 50° 33% –
10 AM Mostly Sunny 61° 61° 0% 0.00 in SE 3 70% 51° 34% –
11 AM Mostly Sunny 65° 65° 0% 0.00 in SE 3 G8 60% 51° 38% –
12 PM Mostly Sunny 69° 69° 0% 0.00 in SE 5 51% 50° 41% –
1 PM Mostly Sunny 72° 72° 0% 0.00 in SE 5 46% 50° 45% –
2 PM Mostly Sunny 75° 75° 0% 0.00 in SE 5 41% 50° 46% –
3 PM Mostly Sunny 75° 75° 0% 0.00 in SE 5 41% 50° 48% –
4 PM Mostly Sunny 75° 75° 0% 0.00 in SE 5 41% 50° 49% –
5 PM Mostly Sunny 73° 73° 0% 0.00 in SE 5 44% 50° 50% –
6 PM Mostly Cloudy 70° 70° 0% 0.00 in SE 3 51% 51° 52% –
7 PM Mostly Cloudy 68° 68° 0% 0.00 in SE 3 55% 51° 52% –
8 PM Mostly Cloudy 65° 65° 0% 0.00 in SE 3 60% 51° 52% –
9 PM Mostly Cloudy 62° 62° 0% 0.00 in SE 3 67% 51° 52% –
10 PM Mostly Cloudy 60° 60° 0% 0.00 in SE 3 72% 51° 52% –
11 PM Mostly Cloudy 58° 58° 0% 0.00 in SE 3 77% 51° 52% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 57° 57° 0% 0.00 in S 2 77% 50° 52% –
1 AM Mostly Cloudy 56° 56° 0% 0.00 in S 2 80% 50° 64% –
2 AM Mostly Cloudy 55° 55° 0% 0.00 in S 2 83% 50° 64% –
3 AM Mostly Cloudy 54° 54° 0% 0.00 in S 2 83% 49° 64% –
4 AM Mostly Cloudy 53° 53° 0% 0.00 in S 2 86% 49° 64% –
5 AM Mostly Cloudy 51° 51° 0% 0.00 in S 2 89% 48° 64% –
6 AM Partly Sunny 51° 51° 0% 0.00 in S 2 89% 48° 64% –
7 AM Partly Sunny 51° 51° 0% 0.00 in S 2 89% 48° 59% –
8 AM Partly Sunny 54° 54° 0% 0.00 in S 2 83% 49° 59% –
9 AM Partly Sunny 58° 58° 0% 0.00 in S 2 75% 50° 59% –
10 AM Partly Sunny 63° 63° 0% 0.00 in S 2 65% 51° 59% –
11 AM Partly Sunny 68° 68° 0% 0.00 in S 2 55% 51° 59% –
12 PM Partly Sunny 72° 72° 0% 0.00 in S 3 48% 51° 59% –
1 PM Partly Sunny 75° 75° 0% 0.00 in S 3 43% 51° 65% –
2 PM Partly Sunny 77° 77° 0% 0.00 in S 3 40% 51° 65% –
3 PM Partly Sunny 78° 78° 0% 0.00 in S 2 38% 50° 65% –
4 PM Partly Sunny 77° 77° 0% 0.00 in S 2 39% 50° 65% –
5 PM Partly Sunny 75° 75° 0% 0.00 in S 2 43% 51° 65% –
6 PM Mostly Cloudy 72° 72° 0% 0.00 in SE 2 48% 51° 65% –
7 PM Mostly Cloudy 69° 69° 0% 0.00 in SE 2 55% 52° 70% –
8 PM Mostly Cloudy 66° 66° 0% 0.00 in SE 2 61% 52° 70% –
9 PM Mostly Cloudy 63° 63° 0% 0.00 in S 2 67% 52° 70% –
10 PM Mostly Cloudy 61° 61° 0% 0.00 in S 2 72% 52° 70% –
11 PM Mostly Cloudy 59° 59° 0% 0.00 in S 2 75% 51° 70% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 58° 58° 0% 0.00 in S 2 77% 51° 70% –
1 AM Mostly Cloudy 57° 57° 0% 0.00 in S 2 77% 50° 67% –
2 AM Mostly Cloudy 56° 56° 0% 0.00 in S 2 80% 50° 67% –
3 AM Mostly Cloudy 54° 54° 0% 0.00 in S 1 83% 49° 67% –
4 AM Mostly Cloudy 53° 53° 0% 0.00 in S 1 86% 49° 67% –
5 AM Mostly Cloudy 52° 52° 0% 0.00 in S 1 86% 48° 67% –
6 AM Partly Sunny 51° 51° 0% 0.00 in S 1 89% 48° 67% –
7 AM Partly Sunny 52° 52° 0% 0.00 in SW 1 86% 48° 63% –
8 AM Partly Sunny 55° 55° 0% 0.00 in S 1 80% 49° 63% –
9 AM Partly Sunny 59° 59° 0% 0.00 in S 2 72% 50° 63% –
10 AM Partly Sunny 63° 63° 0% 0.00 in S 2 65% 51° 63% –
11 AM Partly Sunny 67° 67° 0% 0.00 in S 2 56% 51° 63% –
12 PM Partly Sunny 71° 71° 0% 0.00 in S 3 49% 51° 63% –
1 PM Partly Sunny 74° 74° 0% 0.00 in S 3 44% 51° 59% –
2 PM Partly Sunny 76° 76° 0% 0.00 in S 3 42% 51° 59% –
3 PM Partly Sunny 77° 77° 0% 0.00 in S 2 39% 50° 59% –
4 PM Partly Sunny 76° 76° 0% 0.00 in S 2 40% 50° 59% –
5 PM Partly Sunny 74° 74° 0% 0.00 in S 2 44% 51° 59% –
6 PM Mostly Cloudy 71° 71° 0% 0.00 in S 2 51% 52° 59% –
7 PM Mostly Cloudy 68° 68° 0% 0.00 in SE 2 59% 53° 65% –
8 PM Mostly Cloudy 65° 65° 0% 0.00 in SE 2 65% 53° 65% –
9 PM Mostly Cloudy 62° 62° 0% 0.00 in SE 2 72% 53° 65% –
10 PM Mostly Cloudy 60° 60° 0% 0.00 in SE 2 78% 53° 65% –
11 PM Mostly Cloudy 59° 59° 0% 0.00 in S 2 78% 52° 65% –
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 58° 58° 0% 0.00 in S 2 80% 52° 65% –
1 AM Mostly Cloudy 57° 57° 2% 0.00 in S 2 80% 51° 73% –
2 AM Mostly Cloudy 56° 56° 2% 0.00 in S 2 83% 51° 73% –
3 AM Mostly Cloudy 54° 54° 2% 0.00 in S 2 86% 50° 73% –
4 AM Mostly Cloudy 53° 53° 2% 0.00 in S 2 89% 50° 73% –
5 AM Mostly Cloudy 52° 52° 2% 0.00 in SE 2 93% 50° 73% –
6 AM Mostly Cloudy 51° 51° 2% 0.00 in SE 3 93% 49° 73% –
7 AM Partly Sunny 51° 51° 5% 0.00 in SE 3 93% 49° 60% –
8 AM Partly Sunny 53° 53° 5% 0.00 in S 3 89% 50° 60% –
9 AM Partly Sunny 56° 56° 5% 0.00 in S 3 80% 50° 60% –
10 AM Partly Sunny 60° 60° 5% 0.00 in S 3 72% 51° 60% –
11 AM Partly Sunny 63° 63° 5% 0.00 in S 3 65% 51° 60% –
12 PM Partly Sunny 66° 66° 5% 0.00 in S 5 58% 51° 60% –
1 PM Partly Sunny 68° 68° 2% 0.00 in S 5 55% 51° 52% –
2 PM Partly Sunny 70° 70° 2% 0.00 in S 5 51% 51° 52% –
3 PM Partly Sunny 70° 70° 2% 0.00 in S 5 51% 51° 52% –
4 PM Partly Sunny 70° 70° 2% 0.00 in S 5 51% 51° 52% –
5 PM Partly Sunny 69° 69° 2% 0.00 in SW 5 55% 52° 52% –
6 PM Mostly Cloudy 67° 67° 2% 0.00 in W 3 59% 52° 52% –
7 PM Mostly Cloudy 64° 64° 2% 0.00 in NW 3 67% 53° 64% –
8 PM Mostly Cloudy 62° 62° 2% 0.00 in N 3 72% 53° 64% –
9 PM Mostly Cloudy 59° 59° 2% 0.00 in N 3 80% 53° 64% –
10 PM Mostly Cloudy 57° 57° 2% 0.00 in N 3 83% 52° 64% –
11 PM Mostly Cloudy 56° 56° 2% 0.00 in N 3 83% 51° 64% –
Wednesday, October 281 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 55° 55° 2% 0.00 in N 2 86% 51° 64% –

National Weather Service forecast updated 35 min 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.