Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

03:41

18:25

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: 06:49, Set: 19:15, Transit: 13:01. Moon - Rise: 03:41, Set: 18:25. Civil Dark: 19:49 - 06:14. Nautical Dark: 20:31 - 05:33. Astro Dark: 21:15 - 04:49

Total Clouds (% Sky Obscured)

100
98
97
94
85
80
91
80
98
98
100
97
100
100
96
91
78
83
80
78
85
84
86
97

Low Clouds (% Sky Obscured)

82
80
77
67
68
67
75
60
64
69
72
67
69
67
61
59
59
67
66
61
79
77
63
65

Medium Clouds (% Sky Obscured)

26
30
36
42
32
38
39
31
57
57
98
68
83
21
45
50
56
58
65
74
48
41
42
67

High Clouds (% Sky Obscured)

20
7
5
2
2
4
5
3
6
62
100
88
100
100
91
78
40
27
25
27
13
13
49
91

ISS Passover

Visibility (miles)

0
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
7
13
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 (%)

4
1
0
6
1
1
0
0
0
0
0
0
0
1
0
1
0
0
2
1
4
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
92
89
90
92
90
89
89
95
93
93
92
93
95
96
96
93
90
87
81
76
71
66
64

Pressure (mb)

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

Ozone (du)

258
259
260
259
260
260
259
259
259
259
258
260
261
261
261
262
262
263
262
262
262
260
259
259

Friday 19

Waning Crescent 2%

05:01

18:37

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: 06:51, Set: 19:12, Transit: 13:00. Moon - Rise: 05:01, Set: 18:37. Civil Dark: 19:47 - 06:16. Nautical Dark: 20:28 - 05:35. Astro Dark: 21:12 - 04:51

Total Clouds (% Sky Obscured)

98
95
94
86
100
100
100
95
93
93
100
100
100
100
100
99
100
100
100
99
100
100
100
84

Low Clouds (% Sky Obscured)

90
67
84
83
91
65
58
63
82
83
100
100
93
91
92
82
83
73
65
94
82
56
86
67

Medium Clouds (% Sky Obscured)

81
79
79
55
83
54
42
47
53
55
100
81
88
100
95
89
81
96
86
88
97
98
91
78

High Clouds (% Sky Obscured)

93
82
67
28
100
100
100
58
41
54
100
97
100
100
100
92
100
100
100
83
91
100
100
20

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
6
5

Fog (%)

0
0
0
0
0
0
0
0
0
0
2
12
93
100
98
91
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
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

4
2
3
1
2
1
1
7
20
13
21
29
31
29
20
21
11
13
16
33
46
59
73
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
1.6

Wind Speed/Direction (mph)

14
13
11
10
10
9
8
8
7
6
5
5
6
6
7
7
6
7
8
9
12
12
14
15

Chance of Frost

Temperature (°C)

18
18
17
16
16
15
15
15
15
15
15
15
15
15
15
15
15
15
15
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

12
12
12
13
14
14
14
14
14
14
14
14
14
14
14
14
13
13
12
12
12
12
13
14

Relative Humidity (%)

66
70
73
79
86
89
90
92
90
93
93
93
92
93
95
93
92
87
83
79
77
80
82
86

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010
1009
1008
1008
1008
1008
1007
1006
1005
1004
1003

Ozone (du)

260
262
264
265
265
265
266
266
266
266
266
267
269
269
271
272
273
272
273
273
272
271
272
272

Saturday 20

Waning Crescent 0%

06:18

18:46

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: 06:53, Set: 19:10, Transit: 13:00. Moon - Rise: 06:18, Set: 18:46. Civil Dark: 19:44 - 06:18. Nautical Dark: 20:26 - 05:37. Astro Dark: 21:09 - 04:54

Total Clouds (% Sky Obscured)

80
88
94
100
86
51
63
63
67
76
87
97
100
93
86
56
59
85
66
60
75
85
94
94

Low Clouds (% Sky Obscured)

61
80
93
100
77
39
54
53
63
70
85
97
100
86
72
56
59
64
66
60
75
85
77
69

Medium Clouds (% Sky Obscured)

74
56
17
0
7
7
0
0
0
0
0
0
40
39
35
34
28
38
38
38
46
49
51
54

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
12
2
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
6
9
9
9
9
9
9
5
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
70
70
70
70
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
63
8
19
5
12
24
31
24
20
27
32
31
16
8
0
0
0
1
10
7
11
19

Precipitation Amount (mm)

1.7
1
0.4
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
19
22
19
18
19
20
20
21
21
21
19
15
14
12
11
10
11
11
11
12
13
13
12

Chance of Frost

Temperature (°C)

16
16
15
13
11
10
9
9
9
9
9
8
9
9
8
7
7
7
8
8
9
10
10
10

Feels Like (°C)

14
11
10
7
4
3
3
3
3
2
2
3
5
5
4
4
5
5
5
7
7
7
6
5

Dew Point (°C)

16
15
13
12
9
8
7
7
7
8
8
7
8
8
7
5
5
4
3
3
2
2
2
2

Relative Humidity (%)

96
90
89
90
87
90
85
88
90
95
93
91
93
93
95
88
90
81
74
67
60
57
57
58

Pressure (mb)

1001
1001
1001
1002
1003
1003
1004
1004
1004
1004
1005
1005
1006
1007
1009
1010
1012
1013
1014
1015
1015
1016
1016
1017

Ozone (du)

273
284
289
296
302
311
313
314
313
315
317
319
318
317
316
315
313
312
312
313
313
313
314
314

Sunday 21

New Moon 1%

07:34

18:54

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

Sun - Rise: 06:54, Set: 19:07, Transit: 13:00. Moon - Rise: 07:34, Set: 18:54. Civil Dark: 19:42 - 06:20. Nautical Dark: 20:23 - 05:39. Astro Dark: 21:06 - 04:56

Total Clouds (% Sky Obscured)

77
93
68
37
89
29
20
13
17
16
11
13
13
8
8
15
56
17
18
20
21
23
24
21

Low Clouds (% Sky Obscured)

62
65
55
37
30
23
20
13
17
15
11
12
13
8
8
15
14
15
17
17
21
19
22
21

Medium Clouds (% Sky Obscured)

42
29
17
12
8
1
8
13
17
13
7
2
1
0
0
3
7
11
8
5
3
1
1
0

High Clouds (% Sky Obscured)

7
13
20
13
27
3
1
0
0
0
0
2
0
0
0
2
18
1
1
1
1
1
1
1

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 (%)

23
22
10
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

10
10
9
9
8
7
7
6
6
6
5
5
5
5
5
4
6
7
8
9
10
11
11
11

Feels Like (°C)

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

Dew Point (°C)

4
5
5
5
6
5
4
4
4
4
4
3
3
3
3
3
3
3
2
0
0
0
0
0

Relative Humidity (%)

68
69
74
80
85
85
82
82
85
90
91
89
89
89
89
91
85
75
64
54
49
47
46
46

Pressure (mb)

1017
1018
1019
1019
1020
1021
1022
1022
1022
1023
1023
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

313
312
312
312
312
313
315
318
319
316
315
313
313
312
311
312
310
309
308
307
306
305
304
304

Monday 22

Waxing Crescent 3%

08:48

19:02

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

Sun - Rise: 06:56, Set: 19:05, Transit: 12:59. Moon - Rise: 08:48, Set: 19:02. Civil Dark: 19:39 - 06:22. Nautical Dark: 20:21 - 05:41. Astro Dark: 21:04 - 04:58

Total Clouds (% Sky Obscured)

21
20
21
20
23
20
18
18
19
60
74
41
24
53
67
72
81
89
97
95
94
94
95
96

Low Clouds (% Sky Obscured)

21
20
17
10
7
2
2
5
3
1
1
1
1
1
0
16
32
48
55
61
68
76
84
91

Medium Clouds (% Sky Obscured)

0
0
0
7
3
5
5
4
4
17
18
13
16
48
61
55
48
45
43
42
45
48
41
26

High Clouds (% Sky Obscured)

2
2
2
2
5
4
4
1
2
20
25
10
1
2
2
27
43
57
33
17
6
4
2
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
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
21
26
44
53
62
70
69
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
9
8
7
6
6
5
5
4
4
4
4
4
4
4
6
8
9
10
10
11
11
11

Feels Like (°C)

8
8
7
7
6
5
5
5
4
4
3
3
3
4
3
4
4
5
5
5
7
7
10
10

Dew Point (°C)

1
1
2
4
4
4
4
3
3
3
3
3
3
3
3
3
4
4
4
5
5
5
5
5

Relative Humidity (%)

48
53
61
73
78
83
88
88
88
91
91
93
94
93
91
91
84
78
72
70
68
66
66
66

Pressure (mb)

1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

303
302
301
299
299
299
298
296
295
295
296
296
297
297
298
298
298
299
299
298
298
298
298
298

Tuesday 23

Waxing Crescent 7%

10:03

19:11

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 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:58, Set: 19:02, Transit: 12:59. Moon - Rise: 10:03, Set: 19:11. Civil Dark: 19:37 - 06:23. Nautical Dark: 20:18 - 05:42. Astro Dark: 21:01 - 05:00

Total Clouds (% Sky Obscured)

95
92
91
92
97
97
97
96
95
100
95
95
71
56
37
23
19
19
24
43
48
53
58
62

Low Clouds (% Sky Obscured)

85
78
72
62
52
43
43
41
31
29
24
17
16
18
21
22
19
19
24
40
48
53
58
62

Medium Clouds (% Sky Obscured)

13
4
4
4
5
5
15
30
35
39
44
36
44
48
37
23
19
19
24
25
35
39
42
45

High Clouds (% Sky Obscured)

22
37
55
50
50
45
50
55
55
50
55
61
71
56
37
23
19
19
24
43
48
53
51
45

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

Very Light Rain
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 (%)

57
49
40
32
23
9
14
15
12
15
13
8
10
8
2
9
10
9
23
31
37
40
43
45

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
71
78
85
85
87
87
88
90
90
91
91
93
94
94
94
87
81
76
68
62
57
55
55

Pressure (mb)

1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

298
297
296
295
295
295
295
295
296
296
296
297
297
297
298
298
299
299
300
300
300
301
301
302

Wednesday 24

Waxing Crescent 13%

11:19

19:21

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
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: 07:00, Set: 19:00, Transit: 12:59. Moon - Rise: 11:19, Set: 19:21. Civil Dark: 19:35 - 06:25. Nautical Dark: 20:15 - 05:44. Astro Dark: 20:58 - 05:02

Total Clouds (% Sky Obscured)

77
78
79
65
63
21
33
47
67
78
92
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
69
61
58
52
21
33
47
54
66
80
94
91
90
87
86
85
84
87
90
90

Medium Clouds (% Sky Obscured)

43
40
38
41
43
21
33
40
36
39
42
41
33
25
22
19
21
21
14
7
0

High Clouds (% Sky Obscured)

66
71
71
65
63
21
33
47
51
51
56
86
93
97
99
100
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

Fog (%)

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

Precipitation Probability (%)

40
41
41
40
35
22
26
26
23
24
20
14
23
25
20
29
29
6
8
8
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

Wind Speed/Direction (mph)

9
9
8
7
7
6
6
5
5
4
4
4
4
5
6
7
9
10
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
59
64
72
77
82
87
84
81
78
78
80
80
81
82
84
80
77
75
71
69

Pressure (mb)

1025
1025
1026
1026
1027
1027
1028
1028
1028
1028
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028

Ozone (du)

302
303
303
303
304
304
305
305
306
306
306
306
306
305
304
304
303
302
301
300
300

Forecast for Buxton, Derbyshire, United Kingdom (53.26,-1.91)

Generated: 18/09/25 16:25:19. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00