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Weather in O'Fallon 7-day weather forecast

Wed, 02.09 20:00 · 164 m a.s.l. · America/Chicago · 38.81, -90.70

30°

1 m/s

south-westerly

mainly clear

feels like 33° · Now 02.09 20:00

✓ bias-corrected using observations (station St Louis/Spirit of St Louis Arpt, 17 km, -0.6°)

observed: 31° · St Louis/Spirit of St Louis Arpt · 17 km · 38 min ago

wind 1 m/s, south-westerly pressure 746 mmHg humidity 58% 06:33 19:33 Map

Nearby:Dardenne Prairie 5 km Saint Peters 6 km Lake Saint Louis 8 km Cottleville 8 km Weldon Spring 11 km Wentzville 13 km Saint Charles 19 km Chesterfield 20 km

🎯Station accuracy: ±1.4° · mean error, 7 days (≤24 h) · bias +0.7° · 656 pairsall stations →

Air temperature observations (°C)

31°

wind N 0 m/s · pressure 759 mmHg · dew point 24°

station: St Louis/Spirit of St Louis Arpt (KSUS) · 17 km · elev. 140 m · 02.09 18:54 (38 min ago)

24°

23°

24°

27°

30°

32°

34°

35°

36°

37°

36°

31°

Time	03:54 02.09	04:54	05:54	06:54	07:54	08:54	09:54	10:54	11:54	12:54	13:54	14:54	15:54	16:54	17:54	18:54
Temperature, °C	24	24	23	24	27	30	32	34	35	35	36	37	37	37	36	31
Wind, m/s	2	0	2	0	2	3	4	4	4	3	3	4	3	4	2	0
Pressure, mmHg	761	761	761	762 ▲	762	762	762	762	761 ▼	761	760 ▼	760	760	759 ▼	759	759
Humidity, %	88	84	87	82	74	61	56	51	48	48	41	39	39	35	38	68
Dew point, °C	22	21	21	21	22	22	22	22	22	22	21	21	21	19	19	24

Week

37° 26°

37° 23°

37° 24°

38° 24°

34° 23°

34° 21°

37° 20°

Hourly · local time

Model:DWD NWP ECMWF GFS

Today, Wed 02.09 · 26…37° · daily precipitation 0 mm · ☀ 06:33–19:33 hourly 3-hourly

28°

24°

32°

35°

37°

36°

28°

Time	00 obs	03 obs	06 obs	09 obs	12 obs	15	18	21
Weather
Temperature, °C	28	24	24	32	35	37	36	28
feels like	31	27	28	34	38	38	38	32
Weather						p. cloudy	fair	fair
Rain, mm	·	·	·	·	·	·	·	·
Wind, m/s	2	2	0	4	3	3	2	1
Gusts, m/s						6	5	1
Cloud h/m/l
Pressure, mmHg	761	761	762	762	761	747	746	746
Humidity, %	65	88	82	56	48	37	39	65

28°

27°

24°

23°

24°

27°

30°

32°

34°

35°

36°

37°

36°

33°

30°

28°

27°

26°

Time	00 obs	01 obs	02 obs	03 obs	04 obs	05 obs	06 obs	07 obs	08 obs	09 obs	10 obs	11 obs	12 obs	13 obs	14	15	16	17	18	19	20	21	22	23
Weather
Temperature, °C	28	28	27	24	24	23	24	27	30	32	34	35	35	36	36	37	37	37	36	33	30	28	27	26
feels like	31	32	29	27	28	26	28	30	32	34	36	37	38	38	38	38	39	39	38	36	33	32	30	29
Weather															p. cloudy	p. cloudy	p. cloudy	p. cloudy	fair	clear	fair	fair	fair	clear
Rain, mm	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·
Wind, m/s	2	0	3	2	0	2	0	2	3	4	4	4	3	3	3	3	2	3	2	1	1	1	1	2
Gusts, m/s															7	6	6	5	5	4	2	1	2	3
Cloud h/m/l
Pressure, mmHg	761	761	761	761	761	761	762	762	762	762	762	761	761	760	747	747	746	746	746	746	746	746	746	746
Humidity, %	65	67	71	88	84	87	82	74	61	56	51	48	48	41	40	37	37	38	39	47	58	65	71	72

Tomorrow, Thu 03.09 · 23…37° · daily precipitation 0 mm · ☀ 06:34–19:32 hourly 3-hourly

26°

24°

29°

35°

37°

36°

28°

Time	00	03	06	09	12	15	18	21
Weather
Temperature, °C	26	26	24	29	35	37	36	28
feels like	28	28	26	31	37	39	38	32
Weather	clear	fair	fair	clear	clear	fair	clear	fair
Rain, mm	·	·	·	·	·	·	·	·
Wind, m/s	2	2	2	3	4	2	2	1
Gusts, m/s	3	3	2	5	7	5	5	2
Cloud h/m/l
Pressure, mmHg	746	746	747	748	748	746	745	746
Humidity, %	68	68	75	65	49	38	37	62

26°

27°

25°

26°

24°

23°

26°

29°

31°

34°

35°

36°

37°

36°

34°

30°

28°

27°

Time	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Weather
Temperature, °C	26	27	25	26	24	24	24	23	26	29	31	34	35	35	36	37	37	37	36	34	30	28	27	27
feels like	28	29	27	28	26	27	26	26	30	31	34	36	37	38	38	39	39	39	38	37	34	32	30	29
Weather	clear	fair	fair	fair	fair	fair	fair	clear	clear	clear	clear	clear	clear	fair	fair	fair	fair	fair	clear	clear	fair	fair	clear	clear
Rain, mm	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·
Wind, m/s	2	2	2	2	2	2	2	2	2	3	3	3	4	3	2	2	2	2	2	1	1	1	2	2
Gusts, m/s	3	3	3	3	3	3	2	2	3	5	6	7	7	7	6	5	5	5	5	4	2	2	2	3
Cloud h/m/l
Pressure, mmHg	746	746	746	746	746	746	747	747	748	748	748	748	748	747	746	746	746	746	745	746	746	746	746	746
Humidity, %	68	66	67	68	70	73	75	77	75	65	60	54	49	44	41	38	37	36	37	46	56	62	66	66

Fri 04.09 · 24…37° · daily precipitation 0 mm · ☀ 06:35–19:30 hourly 3-hourly

27°

25°

24°

29°

35°

37°

36°

29°

Time	00	03	06	09	12	15	18	21
Weather
Temperature, °C	27	25	24	29	35	37	36	29
feels like	29	28	27	33	38	39	39	33
Weather	clear	clear	clear	clear	fair	overcast	p. cloudy	fair
Rain, mm	·	·	·	·	·	·	·	·
Wind, m/s	2	1	1	2	2	2	2	0
Gusts, m/s	3	2	2	3	5	5	5	1
Cloud h/m/l
Pressure, mmHg	746	746	746	748	748	746	745	746
Humidity, %	67	74	80	66	47	38	41	65

27°

25°

24°

25°

24°

27°

29°

32°

34°

35°

36°

37°

36°

34°

31°

29°

28°

27°

Time	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Weather
Temperature, °C	27	27	25	25	24	25	24	24	27	29	32	34	35	36	36	37	37	37	36	34	31	29	28	27
feels like	29	30	28	28	27	28	27	26	31	33	35	38	38	38	39	39	39	39	39	38	35	33	32	31
Weather	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	fair	fair	fair	overcast	p. cloudy	p. cloudy	p. cloudy	fair	fair	fair	fair	overcast
Rain, mm	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·
Wind, m/s	2	2	2	1	1	1	1	1	1	2	2	2	2	3	2	2	3	2	2	1	0	0	0	1
Gusts, m/s	3	3	3	2	2	2	2	2	2	3	5	5	5	6	6	5	5	5	5	4	1	1	1	1
Cloud h/m/l
Pressure, mmHg	746	746	746	746	746	746	746	747	748	748	748	748	748	747	746	746	746	745	745	746	746	746	746	746
Humidity, %	67	69	72	74	76	78	80	81	80	66	59	54	47	42	39	38	38	39	41	51	60	65	71	75

Sat 05.09 · 24…38° · daily precipitation 0.5 mm · ☀ 06:36–19:29 hourly 3-hourly

26°

25°

24°

29°0.5

36°

38°

37°

Time	00	03	06	09	12	15	18
Weather
Temperature, °C	26	25	24	29	36	38	37
feels like	30	28	27	34	39	41	39
Weather	overcast	p. cloudy	p. cloudy	fair	clear	p. cloudy	fair
Rain, mm	·	·	·	0.5	·	·	·
Wind, m/s	1	1	1	1	2	1	2
Gusts, m/s	1	2	1	2	4	3	4
Cloud h/m/l
Pressure, mmHg	746	746	746	747	747	746	744
Humidity, %	78	75	79	69	46	36	38

26°

25°

24°

25°

24°

24°0.1

26°0.4

29°

32°

34°

36°

37°

38°

37°

34°

28°

Time	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	22
Weather
Temperature, °C	26	26	25	25	24	25	24	24	26	29	32	34	36	37	37	38	38	38	37	34	28
feels like	30	30	28	28	27	28	27	27	30	34	36	38	39	40	41	41	40	40	39	37	31
Weather	overcast	overcast	fair	p. cloudy	p. cloudy	p. cloudy	p. cloudy	p. cloudy	showers	fair	fair	clear	clear	clear	fair	p. cloudy	p. cloudy	p. cloudy	fair	fair	clear
Rain, mm	·	·	·	·	·	·	·	0.1	0.4	·	·	·	·	·	·	·	·	·	·	·	·
Wind, m/s	1	1	1	1	1	1	1	0	1	1	2	2	2	1	1	1	2	2	2	1	1
Gusts, m/s	1	1	2	2	2	1	1	1	2	2	4	4	4	4	3	3	3	4	4	4	2
Cloud h/m/l
Pressure, mmHg	746	746	746	746	746	746	746	746	747	747	747	747	747	746	746	746	745	744	744	744	746
Humidity, %	78	78	76	75	76	78	79	81	81	69	60	53	46	41	37	36	35	37	38	47	68

Sun 06.09 · 23…34° · daily precipitation 0.9 mm · ☀ 06:37–19:27 hourly 3-hourly

27°

24°

23°

31°

31°0.8

34°0.1

31°

26°

Time	00	03	06	09	12	15	18	21
Weather
Temperature, °C	27	24	23	31	31	34	31	26
feels like	30	28	27	35	35	37	34	30
Weather	fair	clear	clear	clear	clear	overcast	overcast	p. cloudy
Rain, mm	·	·	·	·	0.8	0.1	·	·
Wind, m/s	1	1	1	2	3	3	2	1
Gusts, m/s	2	1	1	5	10	6	6	3
Cloud h/m/l
Pressure, mmHg	746	746	746	748	748	746	746	747
Humidity, %	76	81	87	66	67	50	62	80

Mon 07.09 · 21…34° · daily precipitation 0 mm · ☀ 06:38–19:25 hourly 3-hourly

25°

22°

21°

27°

33°

34°

30°

24°

Time	00	03	06	09	12	15	18	21
Weather
Temperature, °C	25	22	21	27	33	34	30	24
feels like	28	24	23	29	34	36	32	26
Weather	fair	clear	clear	clear	clear	clear	clear	clear
Rain, mm	·	·	·	·	·	·	·	·
Wind, m/s	2	2	2	4	4	3	2	2
Gusts, m/s	4	4	3	7	8	6	6	3
Cloud h/m/l
Pressure, mmHg	748	748	748	750	748	748	748	748
Humidity, %	80	83	88	69	51	42	51	70

Tue 08.09 · 20…37° · daily precipitation 0 mm · ☀ 06:39–19:24 hourly 3-hourly

22°

20°

30°

36°

37°

33°

28°

Time	00	03	06	09	12	15	18	21
Weather
Temperature, °C	22	20	20	30	36	37	33	28
feels like	24	21	22	32	38	38	35	29
Weather	fair	clear	clear	clear	clear	p. cloudy	fair	clear
Rain, mm	·	·	·	·	·	·	·	·
Wind, m/s	2	1	1	3	4	4	3	4
Gusts, m/s	3	2	2	6	7	7	6	6
Cloud h/m/l
Pressure, mmHg	748	748	749	750	750	748	748	750
Humidity, %	76	84	87	64	45	36	46	63

Precipitation — total per interval (1 h; beyond +78 h — 3 h). Cloud: three bars = high / mid / low. DWD NWP 13 km

Weather in O'Fallon 7-day weather forecast

Air temperature observations (°C)

Week

Hourly · local time

Today, Wed 02.09 · 26…37° · daily precipitation 0 mm · ☀ 06:33–19:33 hourly3-hourly

Tomorrow, Thu 03.09 · 23…37° · daily precipitation 0 mm · ☀ 06:34–19:32 hourly3-hourly

Fri 04.09 · 24…37° · daily precipitation 0 mm · ☀ 06:35–19:30 hourly3-hourly

Sat 05.09 · 24…38° · daily precipitation 0.5 mm · ☀ 06:36–19:29 hourly3-hourly

Sun 06.09 · 23…34° · daily precipitation 0.9 mm · ☀ 06:37–19:27 hourly3-hourly

Mon 07.09 · 21…34° · daily precipitation 0 mm · ☀ 06:38–19:25 hourly3-hourly

Tue 08.09 · 20…37° · daily precipitation 0 mm · ☀ 06:39–19:24 hourly3-hourly

Today, Wed 02.09 · 26…37° · daily precipitation 0 mm · ☀ 06:33–19:33 hourly 3-hourly

Tomorrow, Thu 03.09 · 23…37° · daily precipitation 0 mm · ☀ 06:34–19:32 hourly 3-hourly

Fri 04.09 · 24…37° · daily precipitation 0 mm · ☀ 06:35–19:30 hourly 3-hourly

Sat 05.09 · 24…38° · daily precipitation 0.5 mm · ☀ 06:36–19:29 hourly 3-hourly

Sun 06.09 · 23…34° · daily precipitation 0.9 mm · ☀ 06:37–19:27 hourly 3-hourly

Mon 07.09 · 21…34° · daily precipitation 0 mm · ☀ 06:38–19:25 hourly 3-hourly

Tue 08.09 · 20…37° · daily precipitation 0 mm · ☀ 06:39–19:24 hourly 3-hourly