Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

03:31

18:23

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:42, Set: 19:09, Transit: 12:55. Moon - Rise: 03:31, Set: 18:23. Civil Dark: 19:44 - 06:07. Nautical Dark: 20:27 - 05:25. Astro Dark: 21:12 - 04:40

Total Clouds (% Sky Obscured)

100
100
100
100
94
71
97
97
98
95
100
86
91
89
92
83
96
90
100
95
100
100
100
100

Low Clouds (% Sky Obscured)

5
14
17
25
61
19
49
82
82
82
45
65
74
29
39
11
9
16
27
29
31
46
49
54

Medium Clouds (% Sky Obscured)

92
27
80
93
92
10
97
32
98
65
99
74
54
49
58
53
41
44
45
73
65
46
44
84

High Clouds (% Sky Obscured)

100
100
92
53
57
43
62
31
8
8
59
17
74
65
58
60
91
84
100
94
100
100
100
100

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
11
6
6
20
5
2
2
3
1
0
0
0
0
0
2
1
3
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
11
10
10
11
13
15
15
15
16
16
16
15
15
14
14
14
14
14
15
15
15
15

Relative Humidity (%)

86
83
74
65
62
64
76
81
77
78
84
86
85
88
81
76
78
79
83
86
92
92
90
86

Pressure (mb)

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

Ozone (du)

258
257
256
256
256
257
258
259
259
260
263
262
262
261
261
260
259
258
259
259
257
257
256
257

Friday 19

Waning Crescent 6%

04:53

18:33

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:44, Set: 19:06, Transit: 12:54. Moon - Rise: 04:53, Set: 18:33. Civil Dark: 19:42 - 06:09. Nautical Dark: 20:24 - 05:26. Astro Dark: 21:09 - 04:42

Total Clouds (% Sky Obscured)

100
99
97
98
98
96
91
86
85
100
100
89
84
96
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
50
47
50
46
56
57
31
35
6
4
1
2
8
4
1
0
0
0
2
22
42
78
84

Medium Clouds (% Sky Obscured)

57
45
53
52
90
32
3
7
57
67
38
66
28
26
74
91
21
54
78
98
17
9
20
30

High Clouds (% Sky Obscured)

99
98
92
92
74
38
68
50
57
84
92
86
75
66
99
93
100
100
99
100
100
100
100
100

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 (%)

3
0
0
1
5
20
25
5
15
4
3
2
4
1
0
0
0
0
1
5
8
4
25
35

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
15
15
16
15
12
10
15
10
8
6
4
3
3
3
5
4
4
5
4
5
6
8
12

Chance of Frost

Temperature (°C)

17
18
19
20
20
21
21
22
21
20
19
18
17
16
16
15
14
14
14
14
14
14
13
12

Feels Like (°C)

14
16
16
17
18
19
19
20
20
19
19
17
17
17
16
15
14
13
13
13
13
13
11
9

Dew Point (°C)

14
15
15
14
15
15
15
14
15
16
16
15
15
14
15
15
13
13
12
12
12
12
11
10

Relative Humidity (%)

83
82
77
69
70
71
71
62
68
78
80
85
86
90
92
96
95
92
92
90
87
87
86
86

Pressure (mb)

1015
1015
1016
1015
1015
1015
1014
1014
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011

Ozone (du)

260
260
259
259
259
258
258
259
260
259
259
259
260
262
262
261
262
261
261
262
262
263
264
266

Saturday 20

Waning Crescent 2%

06:11

18:41

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:46, Set: 19:04, Transit: 12:54. Moon - Rise: 06:11, Set: 18:41. Civil Dark: 19:39 - 06:11. Nautical Dark: 20:21 - 05:28. Astro Dark: 21:06 - 04:44

Total Clouds (% Sky Obscured)

100
100
98
97
100
100
100
100
90
62
59
27
46
45
66
57
40
46
53
61
74
87
100
94

Low Clouds (% Sky Obscured)

88
52
37
12
55
49
8
12
54
58
51
3
28
26
55
42
25
36
50
61
74
87
100
92

Medium Clouds (% Sky Obscured)

91
83
96
91
92
83
31
52
59
35
13
2
40
35
35
29
40
40
40
40
53
67
49
75

High Clouds (% Sky Obscured)

100
100
96
95
100
100
100
100
59
39
3
27
35
22
32
0
0
0
9
25
25
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
8
9
9
9
9
9
7
9
5
3
2
3
4
3

Fog (%)

9
5
18
2
1
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

25
16
26
13
24
28
40
51
54
54
45
28
22
13
26
58
42
60
95
95
95
95
94
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0.2
0
0
0
0
0
0.4
0
0.2
1.8
2.1
2.5
2
0.7
1.4

Wind Speed/Direction (mph)

12
12
12
13
13
12
11
13
15
17
18
20
19
19
19
22
22
24
23
24
24
23
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
9
9
10
11
11
11
10
9
9
9
7
7
7
7
6
7
7
5
5
4
3
5

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
83
86
84
86
87
87
86
86
83
83
81
81
83
88
87
90
93
91
93
91
91

Pressure (mb)

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

Ozone (du)

268
270
271
271
272
271
272
272
273
275
274
274
276
277
280
282
282
281
281
280
280
280
282
283

Sunday 21

New Moon 0%

07:28

18:48

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:48, Set: 19:01, Transit: 12:54. Moon - Rise: 07:28, Set: 18:48. Civil Dark: 19:37 - 06:13. Nautical Dark: 20:19 - 05:30. Astro Dark: 21:03 - 04:46

Total Clouds (% Sky Obscured)

87
81
83
84
86
90
93
97
89
82
78
77
77
75
78
78
80
81
78
79
65
54
46
45

Low Clouds (% Sky Obscured)

83
74
75
76
78
74
70
66
62
57
54
53
56
57
57
57
60
63
65
68
54
41
26
30

Medium Clouds (% Sky Obscured)

76
42
66
33
32
37
46
52
46
36
24
14
9
4
5
6
7
6
4
2
10
12
13
9

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

1
2
3
4
4
5
6
5
6
6
6
7
6
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

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

Precipitation Probability (%)

95
95
95
82
70
64
62
57
52
51
45
41
34
28
26
26
19
18
20
20
20
23
19
16

Precipitation Amount (mm)

4.9
2.2
0.7
0.6
0.4
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
22
23
21
21
20
20
19
20
18
18
17
17
17
15
15
14
15
14
13
12
12
13
13

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
11
11
11
11
10
10
10
10
10
10
10
10
10
10
10

Feels Like (°C)

6
4
3
4
4
5
5
5
5
6
6
6
5
4
4
4
5
4
5
5
6
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

93
95
93
90
88
88
88
88
88
88
90
90
90
85
85
85
80
73
72
72
73
76
78
74

Pressure (mb)

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

Ozone (du)

282
284
286
289
290
291
291
293
293
293
295
297
299
302
302
302
301
300
299
299
301
305
306
308

Monday 22

Waxing Crescent 1%

No Rise

18:55

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK
17 OK
18 OK
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

Sun - Rise: 06:50, Set: 18:59, Transit: 12:53. Moon - Rise: No Rise, Set: 18:55. Civil Dark: 19:34 - 06:14. Nautical Dark: 20:16 - 05:32. Astro Dark: 21:00 - 04:48

Total Clouds (% Sky Obscured)

48
49
41
57
62
48
19
4
2
21
25
57
66
79
84
90
96
95
93
92
86
80
75
82

Low Clouds (% Sky Obscured)

34
40
40
52
57
44
18
3
2
21
20
47
58
68
71
73
75
72
69
66
58
49
43
49

Medium Clouds (% Sky Obscured)

48
49
11
57
62
48
2
2
0
0
0
7
15
27
41
57
70
64
59
53
51
41
22
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
11
14
26
50
51

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 (%)

11
12
7
17
15
13
12
14
15
14
12
18
17
12
15
13
9
12
12
3
8
8
7
14

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
14
14
15
14
13
13
13
12
10
9
7
8
7
6
5
5
5
5
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
6
6
6
6
5
5
5
5
5
4
4
4
3
4
3
4
4
4
4
4
3
3

Relative Humidity (%)

69
67
67
65
66
63
61
62
61
64
66
68
69
70
71
75
77
81
82
84
87
84
81
78

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1023
1023
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022

Ozone (du)

309
311
312
314
315
315
315
317
318
317
315
314
313
312
311
310
309
309
309
309
310
311
312
313

Tuesday 23

Waxing Crescent 3%

08:43

19:02

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 06:51, Set: 18:56, Transit: 12:53. Moon - Rise: 08:43, Set: 19:02. Civil Dark: 19:31 - 06:16. Nautical Dark: 20:13 - 05:34. Astro Dark: 20:57 - 04:51

Total Clouds (% Sky Obscured)

90
94
91
89
88
86
78
68
50
40
38
38
43
47
42
50
60
61
70
81
74
73
69
70

Low Clouds (% Sky Obscured)

52
56
62
68
72
65
49
36
29
27
27
33
36
41
36
31
27
30
34
38
39
38
36
37

Medium Clouds (% Sky Obscured)

39
50
42
30
25
27
33
35
25
25
25
25
25
30
34
43
41
48
49
55
56
61
61
57

High Clouds (% Sky Obscured)

37
23
28
39
50
50
55
65
50
40
38
38
43
47
42
50
60
61
70
81
74
73
69
70

ISS Passover

Visibility (miles)

9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

18
22
26
27
27
30
29
25
47
60
70
85
95
95
95
80
75
64
51
33
34
39
44
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.7
1
1.5
0.9
0.6
0.6
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
11
12
12
13
13
13
12
12
11
11
10
10
9
9
8
8
8
8
8
7
7
7

Feels Like (°C)

4
5
6
6
6
6
10
9
8
9
8
9
7
7
6
7
6
6
5
6
6
6
6
6

Dew Point (°C)

4
5
6
6
6
7
6
5
5
6
6
6
6
6
6
6
5
5
5
5
5
6
5
6

Relative Humidity (%)

75
73
72
70
67
65
64
61
60
65
68
74
76
77
80
81
81
82
82
84
85
88
88
91

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

314
315
316
316
316
316
316
316
316
315
314
313
312
311
309
309
308
308
306
305
303
303
302
301

Wednesday 24

Waxing Crescent 7%

10:00

19:11

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK

Sun - Rise: 06:53, Set: 18:54, Transit: 12:53. Moon - Rise: 10:00, Set: 19:11. Civil Dark: 19:29 - 06:18. Nautical Dark: 20:11 - 05:36. Astro Dark: 20:55 - 04:53

Total Clouds (% Sky Obscured)

71
72
65
46
36
27
26
39
53
72
76
76
71
71
59
50
42

Low Clouds (% Sky Obscured)

40
40
38
34
27
24
23
23
22
18
18
22
29
35
46
50
42

Medium Clouds (% Sky Obscured)

63
64
59
46
36
27
26
26
16
15
15
15
15
15
16
16
17

High Clouds (% Sky Obscured)

71
72
62
46
36
27
26
39
48
26
1
1
2
2
24
48
42

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

46
44
46
47
43
48
50
49
52
50
41
35
26
16
19
18
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
10
10
10
9
9
8
7
6
4
2
3
4
5
5
6

Chance of Frost

Temperature (°C)

9
10
12
12
13
13
13
13
13
12
11
10
9
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
5
5
4
4
4
4
5
4
4
4
5
4

Relative Humidity (%)

84
76
70
66
63
60
57
54
51
57
63
70
70
73
75
77
77

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

301
300
299
299
299
299
299
299
299
298
297
296
294
293
292
291
291

Forecast for Muston, North Yorkshire, United Kingdom (54.20,-0.32)

Generated: 18/09/25 08:49:57. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00