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United States of America · Alton climate

Extended 10-day forecasts, Alton (IL)

Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.

Climate overview Temperature Rainfall

This is the 10-day extended forecast for Alton, the United States of America. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.

Check out our September climate page to see if the current temperatures in Alton is typical for this time of year.

Today · Tuesday 1 Sep

Hour by hour

Time	Weather	Temp	Precip	Humidity	Wind
12:00	Clear skies	33°C (91°F)	0 mm (0 in)	54%	SW 3 m/s (6 knots)
13:00	Clear skies	34°C (93°F)	0 mm (0 in)	49%	SW 3 m/s (6 knots)
14:00	Mostly sunny	35°C (95°F)	0 mm (0 in)	44%	SW 3 m/s (6 knots)
15:00	Clear skies	36°C (97°F)	0 mm (0 in)	39%	SW 2 m/s (4 knots)
16:00	Clear skies	36°C (97°F)	0 mm (0 in)	37%	SW 3 m/s (6 knots)
17:00	Mostly sunny	35°C (95°F)	0 mm (0 in)	39%	SE 4 m/s (8 knots)
18:00	Clear skies	34°C (93°F)	0 mm (0 in)	49%	SE 3 m/s (6 knots)
19:00	Clear skies	31°C (88°F)	0 mm (0 in)	59%	SE 2 m/s (4 knots)
20:00	Clear skies	31°C (88°F)	0 mm (0 in)	55%	SE 2 m/s (4 knots)
21:00	Clear skies	30°C (86°F)	0 mm (0 in)	56%	SE 2 m/s (4 knots)
22:00	Clear skies	29°C (84°F)	0 mm (0 in)	62%	SE 3 m/s (6 knots)
23:00	Clear skies	28°C (82°F)	0 mm (0 in)	63%	SE 4 m/s (8 knots)

12:00

Clear skies

54% · SW 3 m/s (6 knots)

33°C (91°F)

0 mm (0 in)

13:00

Clear skies

49% · SW 3 m/s (6 knots)

34°C (93°F)

0 mm (0 in)

14:00

Mostly sunny

44% · SW 3 m/s (6 knots)

35°C (95°F)

0 mm (0 in)

15:00

Clear skies

39% · SW 2 m/s (4 knots)

36°C (97°F)

0 mm (0 in)

16:00

Clear skies

37% · SW 3 m/s (6 knots)

36°C (97°F)

0 mm (0 in)

17:00

Mostly sunny

39% · SE 4 m/s (8 knots)

35°C (95°F)

0 mm (0 in)

18:00

Clear skies

49% · SE 3 m/s (6 knots)

34°C (93°F)

0 mm (0 in)

19:00

Clear skies

59% · SE 2 m/s (4 knots)

31°C (88°F)

0 mm (0 in)

20:00

Clear skies

55% · SE 2 m/s (4 knots)

31°C (88°F)

0 mm (0 in)

21:00

Clear skies

56% · SE 2 m/s (4 knots)

30°C (86°F)

0 mm (0 in)

22:00

Clear skies

62% · SE 3 m/s (6 knots)

29°C (84°F)

0 mm (0 in)

23:00

Clear skies

63% · SE 4 m/s (8 knots)

28°C (82°F)

0 mm (0 in)

Tomorrow · Wednesday 2 Sep

Hour by hour

Time	Weather	Temp	Precip	Humidity	Wind
00:00	Clear skies	28°C (82°F)	0 mm (0 in)	65%	S 4 m/s (8 knots)
01:00	Clear skies	28°C (82°F)	0 mm (0 in)	64%	S 4 m/s (8 knots)
02:00	Clear skies	27°C (81°F)	0 mm (0 in)	66%	S 4 m/s (8 knots)
03:00	Clear skies	27°C (81°F)	0 mm (0 in)	67%	SW 4 m/s (8 knots)
04:00	Clear skies	26°C (79°F)	0 mm (0 in)	69%	SW 3 m/s (6 knots)
05:00	Clear skies	26°C (79°F)	0 mm (0 in)	72%	SW 3 m/s (6 knots)
06:00	Clear skies	26°C (79°F)	0 mm (0 in)	73%	SW 3 m/s (6 knots)
07:00	Clear skies	26°C (79°F)	0 mm (0 in)	75%	SW 3 m/s (6 knots)
08:00	Clear skies	27°C (81°F)	0 mm (0 in)	71%	SW 3 m/s (6 knots)
09:00	Clear skies	29°C (84°F)	0 mm (0 in)	65%	SW 3 m/s (6 knots)
10:00	Clear skies	31°C (88°F)	0 mm (0 in)	60%	SW 3 m/s (6 knots)
11:00	Clear skies	32°C (90°F)	0 mm (0 in)	55%	SW 3 m/s (6 knots)
12:00	Clear skies	34°C (93°F)	0 mm (0 in)	49%	SW 3 m/s (6 knots)
13:00	Clear skies	34°C (93°F)	0 mm (0 in)	45%	SW 3 m/s (6 knots)
14:00	Clear skies	35°C (95°F)	0 mm (0 in)	42%	W 2 m/s (4 knots)
15:00	Clear skies	36°C (97°F)	0 mm (0 in)	41%	W 2 m/s (4 knots)
16:00	Mostly sunny	36°C (97°F)	0 mm (0 in)	41%	W 3 m/s (6 knots)
17:00	Mostly sunny	35°C (95°F)	0 mm (0 in)	41%	SW 4 m/s (8 knots)
18:00	Mostly sunny	34°C (93°F)	0 mm (0 in)	47%	S 3 m/s (6 knots)
19:00	Mostly clear	32°C (90°F)	0 mm (0 in)	56%	SE 3 m/s (6 knots)
20:00	Clear skies	31°C (88°F)	0 mm (0 in)	53%	SE 3 m/s (6 knots)
21:00	Clear skies	30°C (86°F)	0 mm (0 in)	56%	SE 3 m/s (6 knots)
22:00	Clear skies	30°C (86°F)	0 mm (0 in)	59%	SE 4 m/s (8 knots)
23:00	Clear skies	29°C (84°F)	0 mm (0 in)	62%	S 4 m/s (8 knots)

00:00

Clear skies

65% · S 4 m/s (8 knots)

28°C (82°F)

0 mm (0 in)

01:00

Clear skies

64% · S 4 m/s (8 knots)

28°C (82°F)

0 mm (0 in)

02:00

Clear skies

66% · S 4 m/s (8 knots)

27°C (81°F)

0 mm (0 in)

03:00

Clear skies

67% · SW 4 m/s (8 knots)

27°C (81°F)

0 mm (0 in)

04:00

Clear skies

69% · SW 3 m/s (6 knots)

26°C (79°F)

0 mm (0 in)

05:00

Clear skies

72% · SW 3 m/s (6 knots)

26°C (79°F)

0 mm (0 in)

06:00

Clear skies

73% · SW 3 m/s (6 knots)

26°C (79°F)

0 mm (0 in)

07:00

Clear skies

75% · SW 3 m/s (6 knots)

26°C (79°F)

0 mm (0 in)

08:00

Clear skies

71% · SW 3 m/s (6 knots)

27°C (81°F)

0 mm (0 in)

09:00

Clear skies

65% · SW 3 m/s (6 knots)

29°C (84°F)

0 mm (0 in)

10:00

Clear skies

60% · SW 3 m/s (6 knots)

31°C (88°F)

0 mm (0 in)

11:00

Clear skies

55% · SW 3 m/s (6 knots)

32°C (90°F)

0 mm (0 in)

12:00

Clear skies

49% · SW 3 m/s (6 knots)

34°C (93°F)

0 mm (0 in)

13:00

Clear skies

45% · SW 3 m/s (6 knots)

34°C (93°F)

0 mm (0 in)

14:00

Clear skies

42% · W 2 m/s (4 knots)

35°C (95°F)

0 mm (0 in)

15:00

Clear skies

41% · W 2 m/s (4 knots)

36°C (97°F)

0 mm (0 in)

16:00

Mostly sunny

41% · W 3 m/s (6 knots)

36°C (97°F)

0 mm (0 in)

17:00

Mostly sunny

41% · SW 4 m/s (8 knots)

35°C (95°F)

0 mm (0 in)

18:00

Mostly sunny

47% · S 3 m/s (6 knots)

34°C (93°F)

0 mm (0 in)

19:00

Mostly clear

56% · SE 3 m/s (6 knots)

32°C (90°F)

0 mm (0 in)

20:00

Clear skies

53% · SE 3 m/s (6 knots)

31°C (88°F)

0 mm (0 in)

21:00

Clear skies

56% · SE 3 m/s (6 knots)

30°C (86°F)

0 mm (0 in)

22:00

Clear skies

59% · SE 4 m/s (8 knots)

30°C (86°F)

0 mm (0 in)

23:00

Clear skies

62% · S 4 m/s (8 knots)

29°C (84°F)

0 mm (0 in)

Next 7 days

Six-hour segments

Day

Night

01:00

Morning

07:00

Afternoon

13:00

Evening

19:00

Thursday

3 Sep

28°C (82°F)

0 mm (0 in)

Clear skies

64% · S 4 m/s (8 knots)

26°C (79°F)

0 mm (0 in)

Clear skies

79% · SW 2 m/s (4 knots)

35°C (95°F)

0 mm (0 in)

Mostly sunny

45% · SW 2 m/s (4 knots)

33°C (91°F)

0 mm (0 in)

Clear skies

51% · SE 3 m/s (6 knots)

Friday

4 Sep

29°C (84°F)

0 mm (0 in)

Clear skies

61% · S 4 m/s (8 knots)

27°C (81°F)

0 mm (0 in)

Clear skies

73% · SW 1 m/s (2 knots)

35°C (95°F)

0 mm (0 in)

Clear skies

45% · W 2 m/s (4 knots)

33°C (91°F)

0 mm (0 in)

Cloudy

55% · N 1 m/s (2 knots)

Saturday

5 Sep

29°C (84°F)

0 mm (0 in)

Partly cloudy

67% · E 1 m/s (2 knots)

27°C (81°F)

1.2 mm (0.05 in)

Rain showers

79% · NW 1 m/s (2 knots)

34°C (93°F)

0.1 mm (0 in)

Clear skies

49% · S 1 m/s (2 knots)

32°C (90°F)

0 mm (0 in)

Mostly clear

54% · N 2 m/s (4 knots)

Sunday

6 Sep

28°C (82°F)

0 mm (0 in)

Clear skies

78% · SE 1 m/s (2 knots)

25°C (77°F)

0 mm (0 in)

Clear skies

92% · NE 2 m/s (4 knots)

33°C (91°F)

0 mm (0 in)

Clear skies

52% · N 3 m/s (6 knots)

30°C (86°F)

0 mm (0 in)

Cloudy

59% · NE 4 m/s (8 knots)

Monday

7 Sep

26°C (79°F)

0 mm (0 in)

Partly cloudy

78% · E 3 m/s (6 knots)

23°C (73°F)

0 mm (0 in)

Mostly sunny

87% · E 2 m/s (4 knots)

32°C (90°F)

0 mm (0 in)

Mostly sunny

52% · SE 2 m/s (4 knots)

31°C (88°F)

0 mm (0 in)

Cloudy

49% · E 2 m/s (4 knots)

Tuesday

8 Sep

26°C (79°F)

0 mm (0 in)

Cloudy

72% · SE 3 m/s (6 knots)

24°C (75°F)

0 mm (0 in)

Cloudy

81% · SE 3 m/s (6 knots)

35°C (95°F)

0 mm (0 in)

Cloudy

41% · S 2 m/s (4 knots)

34°C (93°F)

0 mm (0 in)

Cloudy

38% · SE 3 m/s (6 knots)

Wednesday

9 Sep

30°C (86°F)

0 mm (0 in)

Partly cloudy

50% · S 4 m/s (8 knots)

27°C (81°F)

0 mm (0 in)

Clear skies

60% · SW 2 m/s (4 knots)

37°C (99°F)

0.1 mm (0 in)

Clear skies

34% · SW 3 m/s (6 knots)

35°C (95°F)

0 mm (0 in)

Clear skies

35% · S 4 m/s (8 knots)

Data from MET Norway. Prefer the quick-glance version? See the 10-day summary.

Alton weather by month

Browse monthly averages for Alton: climate by month with temperature, rainfall and sunshine.

January February March April May June July August September October November December

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