Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 3

Waning Gibbous 71%

22:13

12:33

15 OK
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

Sun - Rise: 05:28, Set: 20:57, Transit: 13:11. Moon - Rise: 22:13, Set: 12:33. Civil Dark: 21:40 - 04:45. Nautical Dark: 22:38 - 03:48. Astro Dark: 00:08 - 02:21

Total Clouds (% Sky Obscured)

23
45
57
67
100
100
99
100
100
100
100
100
100
100
100
100
100
99
100
100
99
100
95
100

Low Clouds (% Sky Obscured)

23
45
52
2
0
7
53
63
39
40
48
50
54
50
50
45
30
22
23
29
36
37
27
43

Medium Clouds (% Sky Obscured)

23
45
55
56
52
96
98
99
49
39
48
30
39
48
47
64
97
95
36
96
85
98
93
99

High Clouds (% Sky Obscured)

23
45
57
67
100
99
83
100
100
100
100
100
100
100
100
100
100
93
100
95
98
60
48
83

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
9
3
2
2
4
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 (%)

0
0
3
0
6
5
2
8
4
15
34
27
8
3
0
0
0
0
1
2
0
1
5
15

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)

13
12
13
14
15
13
11
9
7
6
5
3
4
3
2
2
1
2
3
4
9
12
12
13

Chance of Frost

Temperature (°C)

25
25
25
24
22
21
18
18
17
16
16
16
15
15
15
15
16
17
19
22
24
25
26
26

Feels Like (°C)

23
22
21
20
19
17
16
15
16
16
16
16
15
16
16
16
17
18
19
21
22
22
23
24

Dew Point (°C)

6
6
7
8
10
11
12
12
13
14
14
14
15
14
15
15
15
15
14
12
10
11
10
10

Relative Humidity (%)

28
28
32
37
44
54
65
71
77
85
90
92
95
95
96
96
93
88
71
52
42
42
37
35

Pressure (mb)

1011
1011
1011
1010
1010
1010
1011
1011
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006

Ozone (du)

333
331
329
330
329
329
329
330
329
330
328
325
323
322
321
320
321
322
321
320
320
320
320
323

Tuesday 4

Waning Gibbous 60%

22:25

14:00

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

Sun - Rise: 05:29, Set: 20:55, Transit: 13:11. Moon - Rise: 22:25, Set: 14:00. Civil Dark: 21:38 - 04:47. Nautical Dark: 22:35 - 03:50. Astro Dark: 00:02 - 02:27

Total Clouds (% Sky Obscured)

92
100
90
99
93
44
34
24
0
29
32
31
54
66
40
43
45
61
33
38
49
54
66
50

Low Clouds (% Sky Obscured)

28
72
18
48
54
35
23
2
0
21
25
28
37
49
35
42
43
61
29
35
47
48
65
29

Medium Clouds (% Sky Obscured)

84
96
83
63
56
20
20
19
0
9
2
2
10
6
0
0
0
0
0
0
0
10
23
27

High Clouds (% Sky Obscured)

42
40
23
50
40
3
3
0
0
0
4
0
0
0
0
0
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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 (%)

20
14
10
15
34
8
2
1
0
0
0
1
1
6
10
8
6
5
6
8
22
10
10
15

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
13
10
12
11
11
10
9
9
9
10
10
11
12
12
12
13
15
15
17
18
18
19
20

Chance of Frost

Temperature (°C)

26
26
26
25
23
22
21
20
18
18
16
16
16
15
15
15
15
16
16
17
18
19
20
20

Feels Like (°C)

23
23
24
22
22
20
21
20
19
18
16
16
15
14
14
15
13
13
13
14
15
15
15
14

Dew Point (°C)

11
10
14
10
12
14
15
15
14
14
13
12
13
13
13
13
12
11
10
9
8
10
9
9

Relative Humidity (%)

39
37
47
38
48
58
68
74
77
78
79
78
82
85
86
86
80
70
67
56
52
57
49
51

Pressure (mb)

1006
1006
1005
1005
1005
1006
1006
1007
1007
1007
1007
1006
1006
1006
1006
1007
1008
1008
1008
1009
1009
1010
1010
1010

Ozone (du)

326
328
327
327
328
331
330
327
327
328
330
330
330
328
327
328
330
333
340
344
346
349
352
354

Wednesday 5

Waning Gibbous 49%

22:40

No Set

15 Bad
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

Sun - Rise: 05:31, Set: 20:53, Transit: 13:11. Moon - Rise: 22:40, Set: No Set. Civil Dark: 21:35 - 04:49. Nautical Dark: 22:32 - 03:53. Astro Dark: 23:56 - 02:32

Total Clouds (% Sky Obscured)

65
81
71
56
65
72
71
72
77
86
99
97
95
100
91
100
99
78
84
74
70
60
55
59

Low Clouds (% Sky Obscured)

61
63
60
36
44
59
60
60
48
73
98
94
91
100
89
100
99
72
76
74
70
60
55
59

Medium Clouds (% Sky Obscured)

24
46
48
28
40
42
34
22
46
30
41
27
43
50
46
54
57
29
57
39
41
2
4
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
19
5
4
0
0
0
0
0
47
72
2
0
1
0
0
0
2

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
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 (%)

6
3
4
5
10
15
16
9
3
4
5
8
17
11
22
23
17
7
9
18
4
8
20
24

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
44
48
52
55
59
65
68
74
75
76
82
80
82
82
80
80
79
75
72
63
51
46
49

Pressure (mb)

1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1016
1017
1017
1018
1019
1019
1020
1020
1020

Ozone (du)

355
353
352
353
354
354
355
356
356
356
357
358
358
356
353
351
348
349
349
351
352
353
349
345

Thursday 6

Third Quarter 37%

23:02

15:30

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

Sun - Rise: 05:33, Set: 20:52, Transit: 13:11. Moon - Rise: 23:02, Set: 15:30. Civil Dark: 21:33 - 04:51. Nautical Dark: 22:30 - 03:55. Astro Dark: 23:50 - 02:37

Total Clouds (% Sky Obscured)

59
71
85
94
100
99
89
100
97
100
63
27
1
5
4
17
40
73
100
88
100
94
97
97

Low Clouds (% Sky Obscured)

59
57
44
8
2
0
0
0
0
0
0
0
0
0
4
17
19
20
16
6
19
25
42
55

Medium Clouds (% Sky Obscured)

6
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
8
36
65
44
50
34
37
39

High Clouds (% Sky Obscured)

38
57
50
64
100
94
54
100
83
100
51
17
1
5
0
3
18
36
100
60
100
63
75
50

ISS Passover

Visibility (miles)

9
5
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
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 (%)

21
25
15
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
8

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
12
12
12
12
10
8
7
7
6
6
5
5
4
4
4
3
5
6
7
8
9
10
10

Chance of Frost

Temperature (°C)

18
18
18
18
17
16
14
13
12
12
12
11
11
10
11
10
11
14
16
18
20
20
21
22

Feels Like (°C)

15
16
15
15
14
13
12
12
11
10
10
10
11
11
11
11
11
13
15
16
18
18
19
19

Dew Point (°C)

8
9
10
9
8
7
8
8
9
9
9
9
9
8
8
8
7
7
7
7
7
6
6
5

Relative Humidity (%)

52
52
59
57
54
56
66
75
79
81
81
83
84
84
84
83
73
60
52
47
42
39
37
34

Pressure (mb)

1021
1021
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021

Ozone (du)

343
343
341
341
339
335
333
333
333
333
332
332
334
335
338
340
340
338
332
331
332
334
337
338

Friday 7

Waning Crescent 26%

23:37

16:59

15 Bad
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

Sun - Rise: 05:34, Set: 20:50, Transit: 13:11. Moon - Rise: 23:37, Set: 16:59. Civil Dark: 21:31 - 04:53. Nautical Dark: 22:27 - 03:58. Astro Dark: 23:45 - 02:42

Total Clouds (% Sky Obscured)

95
90
85
82
77
51
61
72
56
78
90
84
92
100
100
100
98
97
94
96
98
100
93
85

Low Clouds (% Sky Obscured)

70
68
67
66
48
39
54
47
9
1
11
21
31
26
17
9
35
35
33
35
33
30
34
37

Medium Clouds (% Sky Obscured)

47
86
79
72
65
14
3
16
27
38
42
40
35
39
42
41
44
39
38
42
40
39
39
38

High Clouds (% Sky Obscured)

25
20
25
30
35
3
2
33
48
78
90
83
90
100
99
100
98
96
94
96
98
100
93
85

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
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 (%)

0
0
0
0
0
0
0
0
0
0
4
5
4
6
7
8
4
5
1
9
12
11
11
9

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)

10
9
9
10
11
9
6
4
3
3
3
3
4
4
4
4
4
8
9
10
10
11
11
11

Chance of Frost

Temperature (°C)

22
22
22
22
20
18
17
16
15
14
14
14
13
13
13
13
14
16
17
19
20
21
22
23

Feels Like (°C)

19
19
19
18
17
15
16
15
14
15
14
13
13
12
11
12
13
13
13
14
15
15
16
21

Dew Point (°C)

5
4
4
6
8
8
8
8
7
8
8
8
8
8
8
9
8
7
5
4
4
4
3
4

Relative Humidity (%)

32
30
30
35
45
51
56
57
58
64
68
69
71
70
71
74
67
54
45
36
34
31
29
29

Pressure (mb)

1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1017
1017
1017
1016
1016
1016
1015

Ozone (du)

341
342
342
341
343
349
341
335
334
333
332
331
330
332
331
329
327
326
325
324
323
322
320
319

Saturday 8

Waning Crescent 16%

00:31

18:18

15 Bad
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

Sun - Rise: 05:36, Set: 20:48, Transit: 13:11. Moon - Rise: 00:31, Set: 18:18. Civil Dark: 21:29 - 04:55. Nautical Dark: 22:24 - 04:01. Astro Dark: 23:40 - 02:46

Total Clouds (% Sky Obscured)

76
79
83
87
81
76
71
77
78
76
83
83
83
83
83
79
78
78
80
79
77
77
67
61

Low Clouds (% Sky Obscured)

48
50
54
55
51
47
42
41
39
37
40
44
51
56
60
56
60
64
68
67
66
62
47
30

Medium Clouds (% Sky Obscured)

38
48
56
66
55
43
34
28
28
32
31
31
40
45
47
52
61
62
66
52
35
21
29
37

High Clouds (% Sky Obscured)

76
79
82
84
81
76
71
77
73
63
40
39
38
37
46
50
38
25
12
9
8
8
27
46

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
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

2
17
24
28
46
59
64
70
70
59
59
60
65
74
73
65
56
42
17
11
8
5
7
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
13
12
12
11
10
9
8
7
7
7
6
6
6
5
4
4
3
3
4
5
6
7
7

Chance of Frost

Temperature (°C)

23
24
22
21
19
18
17
16
16
15
15
15
15
14
15
15
16
17
18
19
20
20
21
21

Feels Like (°C)

20
20
20
20
20
15
16
16
16
16
16
15
15
16
15
15
15
17
17
17
18
18
19
23

Dew Point (°C)

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

Relative Humidity (%)

30
31
37
43
50
55
62
68
70
74
76
79
80
84
83
80
79
71
64
57
53
50
46
46

Pressure (mb)

1015
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

318
317
317
317
316
316
316
316
316
316
316
317
317
318
319
321
322
323
324
325
324
322
321
321

Sunday 9

Waning Crescent 8%

01:47

19:18

15 Bad
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 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:38, Set: 20:46, Transit: 13:11. Moon - Rise: 01:47, Set: 19:18. Civil Dark: 21:27 - 04:57. Nautical Dark: 22:21 - 04:03. Astro Dark: 23:35 - 02:51

Total Clouds (% Sky Obscured)

53
57
60
61
61
66
70
66
63
59
59
58
57
47
36
24
37
52
68
66
63
60

Low Clouds (% Sky Obscured)

10
18
29
36
41
47
52
49
45
42
52
56
57
47
36
24
35
43
45
44
42
36

Medium Clouds (% Sky Obscured)

42
44
41
40
39
41
43
42
41
40
34
29
23
15
9
3
4
5
5
18
30
42

High Clouds (% Sky Obscured)

53
57
57
58
60
58
53
40
24
8
5
3
0
1
2
3
18
37
57
44
28
9

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

Fog (%)

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

Precipitation Probability (%)

0
1
1
0
2
5
3
3
2
0
0
0
0
1
1
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

Wind Speed/Direction (mph)

8
9
8
7
7
7
6
6
5
5
4
4
4
4
4
4
4
4
5
6
7
7

Chance of Frost

Temperature (°C)

22
22
21
21
20
18
16
14
14
13
12
12
11
11
11
11
11
13
16
17
18
20

Feels Like (°C)

22
21
21
20
21
18
18
17
16
16
14
12
12
13
12
12
12
13
14
14
14
14

Dew Point (°C)

9
9
9
8
8
7
7
7
7
7
6
6
6
6
5
5
5
4
4
3
1
0

Relative Humidity (%)

44
44
44
44
45
49
55
60
63
65
67
68
71
72
68
65
63
52
44
37
31
27

Pressure (mb)

1013
1013
1013
1013
1013
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

321
320
321
322
322
323
324
324
325
325
325
325
324
324
323
321
320
319
319
318
317
317

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

Generated: 03/08/26 15:57:46. Forecast: 03/08/26 to 09/08/26. Timezone: UTC+1.00