Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 2

Waning Gibbous 63%

21:07

14:44

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:19, Set: 19:52, Transit: 13:05. Moon - Rise: 21:07, Set: 14:44. Civil Dark: 20:29 - 05:43. Nautical Dark: 21:13 - 04:58. Astro Dark: 22:04 - 04:09

Total Clouds (% Sky Obscured)

76
76
86
88
95
83
75
100
100
93
100
97
95
56
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
76
57
52
48
29
54
47
43
40
84
81
48
50
52
77
67
70
67
42
37
57
54
55

Medium Clouds (% Sky Obscured)

15
11
5
0
1
18
12
14
13
0
0
25
13
4
0
0
14
27
23
26
72
29
19
20

High Clouds (% Sky Obscured)

53
76
86
88
86
10
60
100
100
77
100
90
79
7
97
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
3
4
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
8
2
2
4
2
4
3
6
25
28
20
2
2
6
8
13
15
15
4
4
2
10
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
11
12
10
12
13
13
12
12
11
12
12
12
12
12
13
12
12
13
14
13
13
13

Chance of Frost

Temperature (°C)

17
19
19
19
18
18
17
17
18
17
18
18
17
17
16
16
16
17
17
18
18
19
20
21

Feels Like (°C)

15
17
18
18
17
17
16
16
15
16
16
16
15
15
16
14
13
15
15
15
16
17
18
18

Dew Point (°C)

16
18
18
18
17
16
16
16
16
16
17
16
15
15
14
14
13
14
14
13
12
12
12
13

Relative Humidity (%)

92
93
92
92
93
90
92
90
89
90
93
92
86
87
87
87
83
86
82
76
68
63
60
60

Pressure (mb)

1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1012
1012
1012
1012
1013
1013
1014
1014
1015
1014
1014
1013

Ozone (du)

306
306
304
303
301
301
303
303
303
303
304
310
316
313
311
310
308
306
304
302
299
298
297
297

Thursday 3

Waning Gibbous 51%

21:37

16:06

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:21, Set: 19:50, Transit: 13:04. Moon - Rise: 21:37, Set: 16:06. Civil Dark: 20:26 - 05:45. Nautical Dark: 21:11 - 05:01. Astro Dark: 22:00 - 04:11

Total Clouds (% Sky Obscured)

97
100
100
100
99
98
91
100
100
99
100
100
100
100
100
92
100
100
99
91
100
100
93
98

Low Clouds (% Sky Obscured)

37
29
30
55
81
86
76
96
70
58
67
68
78
47
79
66
42
34
25
18
23
16
22
26

Medium Clouds (% Sky Obscured)

62
26
29
80
98
92
91
96
97
99
100
98
100
100
98
88
88
88
63
69
17
16
16
0

High Clouds (% Sky Obscured)

88
100
100
100
67
80
36
73
79
76
93
100
100
100
100
34
39
100
95
27
100
100
92
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
6
3
2
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
25
28
61
67
71
54
70
95
95
95
90
95
93
70
28
20
15
9
3
4
5
16
4

Precipitation Amount (mm)

0
0
0
0.3
0.3
0.3
0
0.3
0.8
1.5
1
0.3
0.4
0.5
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
16
14
13
12
12
12
13
12
13
10
8
6
6
6
7
9
12
14
17
18
18
18
19

Chance of Frost

Temperature (°C)

21
20
19
18
17
17
16
16
16
15
15
15
15
15
14
15
15
16
15
16
17
17
18
18

Feels Like (°C)

18
17
16
15
15
13
13
13
13
12
13
14
13
13
12
11
11
12
11
11
12
13
13
13

Dew Point (°C)

12
12
12
12
11
10
12
12
13
13
13
14
14
13
13
12
12
12
11
10
9
9
9
10

Relative Humidity (%)

58
57
62
66
66
66
75
79
85
89
92
92
92
90
92
86
83
78
74
67
62
59
57
57

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1009
1009
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011

Ozone (du)

298
298
296
296
295
294
294
292
291
291
292
295
297
300
302
306
309
311
313
316
319
320
323
325

Friday 4

Third Quarter 39%

22:22

16:06

16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 Bad
00 Bad
01 OK
02 Bad
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:23, Set: 19:48, Transit: 13:04. Moon - Rise: 22:22, Set: 16:06. Civil Dark: 20:24 - 05:47. Nautical Dark: 21:08 - 05:03. Astro Dark: 21:57 - 04:14

Total Clouds (% Sky Obscured)

100
99
70
30
32
36
39
45
42
38
58
40
90
100
100
81
100
84
79
47
77
62
66
69

Low Clouds (% Sky Obscured)

48
24
19
28
32
33
37
39
38
35
48
34
16
8
12
14
25
28
29
20
31
38
42
51

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
18
21
21

High Clouds (% Sky Obscured)

100
98
50
0
0
0
0
0
0
0
0
1
84
100
100
72
100
71
65
17
42
13
13
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
6
6
6

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
14
13
2
0
1
1
2
2
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
16
15
13
12
11
11
11
10
10
10
10
11
10
10
9
11
11
10
11
10
10
10

Chance of Frost

Temperature (°C)

18
17
17
16
15
14
14
13
13
13
13
13
13
12
12
12
13
14
15
16
17
17
18
18

Feels Like (°C)

13
13
13
14
14
13
12
12
11
12
11
11
11
9
9
9
10
10
12
14
15
15
16
17

Dew Point (°C)

10
10
11
11
11
10
9
9
9
11
10
10
9
8
9
9
9
9
7
7
7
6
6
7

Relative Humidity (%)

59
63
67
69
74
74
74
76
77
83
82
80
79
77
80
81
77
70
60
54
51
48
46
46

Pressure (mb)

1011
1012
1013
1013
1014
1015
1015
1016
1017
1017
1018
1018
1019
1020
1020
1021
1021
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

324
328
330
329
328
329
329
328
327
326
325
323
320
318
317
314
311
307
304
301
299
299
299
298

Saturday 5

Waning Crescent 28%

23:29

17:11

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 Bad
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:24, Set: 19:45, Transit: 13:04. Moon - Rise: 23:29, Set: 17:11. Civil Dark: 20:21 - 05:49. Nautical Dark: 21:05 - 05:05. Astro Dark: 21:54 - 04:17

Total Clouds (% Sky Obscured)

65
87
86
91
94
89
69
55
43
40
35
55
42
47
39
38
36
30
27
34
36
51
65
83

Low Clouds (% Sky Obscured)

40
32
25
20
16
12
19
26
31
27
23
19
11
7
2
1
1
0
1
18
36
51
65
83

Medium Clouds (% Sky Obscured)

25
29
33
47
35
29
30
13
4
8
11
55
31
27
36
38
36
30
27
34
36
51
65
75

High Clouds (% Sky Obscured)

13
48
43
58
74
70
32
19
0
0
0
2
7
30
39
33
36
30
27
34
36
51
65
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
6
4
3
2
2
2
3
4
4
4
5
5
5
5
6
8
9
11
11
12
13
13

Chance of Frost

Temperature (°C)

19
18
18
17
16
15
14
14
14
13
13
13
13
13
13
14
15
17
18
19
20
21
22
22

Feels Like (°C)

17
17
15
16
14
14
14
14
14
14
13
13
12
12
12
12
13
14
15
16
18
18
19
20

Dew Point (°C)

7
6
7
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
9
10
11
12
12
14

Relative Humidity (%)

45
45
48
58
63
66
67
68
69
69
70
71
72
71
69
68
61
57
53
54
55
55
53
58

Pressure (mb)

1023
1023
1023
1023
1023
1024
1024
1023
1023
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019
1018
1017
1017
1016
1015

Ozone (du)

297
295
294
293
292
292
291
291
293
293
292
292
293
293
293
294
295
292
292
290
290
290
292
292

Sunday 6

Waning Crescent 18%

00:53

17:56

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:26, Set: 19:43, Transit: 13:03. Moon - Rise: 00:53, Set: 17:56. Civil Dark: 20:19 - 05:50. Nautical Dark: 21:02 - 05:07. Astro Dark: 21:51 - 04:19

Total Clouds (% Sky Obscured)

78
95
100
88
76
61
60
63
60
61
62
52
35
23
32
71
82
94
95
97
98
99
99
100

Low Clouds (% Sky Obscured)

60
30
27
20
16
33
22
60
27
21
14
24
6
3
0
19
10
0
13
28
43
34
26
18

Medium Clouds (% Sky Obscured)

27
4
43
1
63
61
60
63
60
61
22
11
12
4
0
0
0
0
33
66
97
87
81
77

High Clouds (% Sky Obscured)

17
88
100
88
76
61
50
50
45
35
30
0
5
9
25
62
76
92
93
95
97
98
99
100

ISS Passover

Visibility (miles)

9
9
9
9
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
1
20
31
39
30
22
12
26
38
26
3
2
0
0
0
0
3
10
11
13
10
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
13
11
10
9
9
9
9
8
7
7
7
6
6
5
9
10
12
12
11
11
11
12

Chance of Frost

Temperature (°C)

22
22
22
21
20
19
18
18
18
17
17
16
15
14
14
13
14
15
16
17
17
18
18
18

Feels Like (°C)

20
19
19
19
18
18
17
16
16
15
15
15
16
15
14
13
12
13
13
14
15
16
15
15

Dew Point (°C)

14
13
13
13
13
15
14
13
12
11
11
12
12
11
10
9
9
11
11
12
12
12
11
9

Relative Humidity (%)

60
54
57
61
67
75
74
73
70
67
68
75
79
79
80
79
75
74
71
71
70
68
63
57

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1012
1012
1012
1012
1013
1013
1013
1012

Ozone (du)

293
292
293
294
295
296
297
297
299
302
306
309
307
307
310
311
311
311
312
312
313
313
315
317

Monday 7

Waning Crescent 9%

02:25

18:26

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK

Sun - Rise: 06:28, Set: 19:40, Transit: 13:03. Moon - Rise: 02:25, Set: 18:26. Civil Dark: 20:16 - 05:52. Nautical Dark: 21:00 - 05:09. Astro Dark: 21:47 - 04:21

Total Clouds (% Sky Obscured)

100
100
100
89
80
67
65
60
60
61
52
48
59
70
80
72
63
51
47
44
44
38
30
23

Low Clouds (% Sky Obscured)

26
32
39
26
11
1
7
11
15
22
32
40
50
56
62
57
49
41
44
44
44
38
27
20

Medium Clouds (% Sky Obscured)

74
71
69
59
48
38
27
16
5
5
5
5
0
0
0
0
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

81
62
43
34
29
20
40
50
60
50
25
0
0
1
1
1
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

26
31
37
36
25
1
5
6
15
27
35
56
64
60
66
85
84
60
48
41
24
41
40
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.2
0.2
0.5
0.5
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
12
12
13
14
15
15
16
16
16
16
16
15
15
16
16
17
18
19
19
19
19

Chance of Frost

Temperature (°C)

18
17
15
14
13
13
12
13
12
12
12
12
12
12
12
12
13
14
14
15
16
16
16
16

Feels Like (°C)

14
16
17
17
9
9
9
9
8
9
8
8
8
8
8
8
8
8
9
9
8
8
12
12

Dew Point (°C)

8
9
9
9
9
9
9
9
8
8
7
7
8
7
7
7
8
8
8
8
7
6
6
6

Relative Humidity (%)

52
59
66
74
76
76
79
77
73
72
71
71
72
71
70
69
69
69
69
63
56
51
51
49

Pressure (mb)

1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1005
1005
1005

Ozone (du)

318
319
320
321
324
328
331
334
337
340
340
340
340
341
342
343
344
345
346
347
348
348
349
350

Tuesday 8

Waning Crescent 4%

03:57

18:45

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:30, Set: 19:38, Transit: 13:03. Moon - Rise: 03:57, Set: 18:45. Civil Dark: 20:13 - 05:54. Nautical Dark: 20:57 - 05:11. Astro Dark: 21:44 - 04:24

Total Clouds (% Sky Obscured)

37
52
69
68
66
70
79
89
92
95
98
100
100
100
100
91
82
75
83
91
98

Low Clouds (% Sky Obscured)

19
20
20
21
25
28
37
49
58
66
75
83
78
72
72
56
37
18
32
45
59

Medium Clouds (% Sky Obscured)

3
7
11
12
11
6
7
12
19
28
32
26
31
36
37
36
35
39
48
57
66

High Clouds (% Sky Obscured)

14
25
34
53
66
70
79
89
92
95
96
90
89
92
95
88
82
75
83
88
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
25
3
14
20
9
22
30
10
19
23
20
24
27
19
22
26
17
33
39
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
17
16
15
15
14
14
14
14
14
14
14
15
15
15
15
16
16
17
17
18

Chance of Frost

Temperature (°C)

16
15
15
14
14
13
12
12
12
12
12
12
12
12
12
12
13
13
14
15
15

Feels Like (°C)

11
12
12
12
8
8
9
9
8
8
8
8
8
8
8
8
8
8
9
9
10

Dew Point (°C)

6
6
7
7
8
7
8
8
8
8
8
8
8
8
8
7
8
8
8
8
8

Relative Humidity (%)

49
53
59
63
67
69
73
75
76
79
79
79
80
77
76
72
71
69
68
64
64

Pressure (mb)

1005
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004

Ozone (du)

350
350
351
351
350
349
348
347
347
346
347
347
348
348
347
346
344
342
339
336
333

Forecast for Sheffield, Sheffield, United Kingdom (53.38,-1.47)

Generated: 02/09/26 16:42:38. Forecast: 02/09/26 to 08/09/26. Timezone: UTC+1.00