Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 27

Waning Gibbous 98%

18:49

09:21

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: 07:04, Set: 18:54, Transit: 12:58. Moon - Rise: 18:49, Set: 09:21. Civil Dark: 19:27 - 06:31. Nautical Dark: 20:05 - 05:53. Astro Dark: 20:44 - 05:14

Total Clouds (% Sky Obscured)

100
99
99
97
99
99
96
100
91
92
99
100
100
100
100
100
92
87
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
17
13
12
5
8
2
0
0
0
0
0
3
3
0
0
0
0
0
2
0
0
4
4

Medium Clouds (% Sky Obscured)

94
83
92
41
98
84
95
99
91
65
96
98
75
100
100
92
88
87
100
100
98
97
92
99

High Clouds (% Sky Obscured)

82
94
80
68
73
63
58
100
33
59
94
100
98
99
91
100
84
56
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
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 (%)

76
93
75
3
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
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)

15
17
14
14
8
6
6
7
6
6
6
5
3
4
3
3
4
4
4
5
6
6
6
6

Chance of Frost

Temperature (°C)

19
20
20
19
18
16
15
14
13
13
12
11
11
11
10
10
9
9
11
14
15
17
17
18

Feels Like (°C)

16
17
17
15
16
15
14
12
12
12
10
10
10
10
9
8
8
7
10
12
14
15
15
16

Dew Point (°C)

16
17
15
12
14
13
14
13
12
11
10
10
10
9
9
8
7
7
8
9
8
8
7
8

Relative Humidity (%)

82
85
76
63
78
83
89
92
92
92
90
92
90
90
91
90
90
88
80
70
62
56
50
52

Pressure (mb)

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

Ozone (du)

291
291
291
291
291
292
292
291
291
292
293
294
293
293
293
294
296
298
300
302
303
303
304
303

Monday 28

Waning Gibbous 93%

19:07

10:47

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 OK
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:05, Set: 18:52, Transit: 12:57. Moon - Rise: 19:07, Set: 10:47. Civil Dark: 19:24 - 06:33. Nautical Dark: 20:03 - 05:55. Astro Dark: 20:42 - 05:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
72
86
95
98
93
90
88
92
36
100
100
100
72

Low Clouds (% Sky Obscured)

7
18
40
95
82
95
91
92
93
96
96
66
86
95
96
88
87
77
51
18
4
3
10
39

Medium Clouds (% Sky Obscured)

100
100
100
98
94
94
99
96
22
22
27
3
11
25
32
25
17
18
22
10
25
13
1
9

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
60
60
65
2
0
19
12
12
37
31
60
7
100
100
100
72

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
3
23
37
16
35
36
43
40
34
34
31
27
32
33
25
4
18
1
0
2
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
59
66
76
83
83
85
87
90
93
93
95
95
95
89
86
88
90
88
82
80
76
72
74

Pressure (mb)

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

Ozone (du)

304
306
307
307
307
307
309
312
317
318
311
306
302
300
298
297
296
296
297
297
296
298
296
292

Tuesday 29

Waning Gibbous 86%

19:29

12:14

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 OK
12 Bad
13 Bad
14 Good

Sun - Rise: 07:07, Set: 18:50, Transit: 12:57. Moon - Rise: 19:29, Set: 12:14. Civil Dark: 19:22 - 06:34. Nautical Dark: 20:00 - 05:56. Astro Dark: 20:39 - 05:17

Total Clouds (% Sky Obscured)

68
43
43
20
30
83
94
60
73
100
100
100
100
100
100
100
100
92
100
42
3
52
49
8

Low Clouds (% Sky Obscured)

5
2
0
1
1
0
0
0
4
86
76
79
86
94
92
80
89
80
72
37
0
38
7
5

Medium Clouds (% Sky Obscured)

8
7
5
4
15
14
63
60
73
100
91
100
100
100
100
100
99
34
15
17
2
52
49
1

High Clouds (% Sky Obscured)

64
33
36
15
13
70
76
36
35
58
100
38
99
100
100
87
80
65
73
2
2
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
9
6
9
7
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

5
49
74
59
9
2
4
7
4
28
61
88
81
79
88
76
95
65
25
12
30
4
5
5

Precipitation Amount (mm)

0
0.2
0.6
0.3
0
0
0
0
0
0
0.2
0.5
0.4
0.5
0.5
0.3
1
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
22
21
20
20
20
21
21
21
21
21
20
19
19
18
19
18
18
18
20
21
21
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
84
89
93
86
82
82
84
81
89
92
93
92
93
93
95
89
89
85
77
66
61
63

Pressure (mb)

1011
1011
1010
1010
1010
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1008
1008
1009
1010
1010
1011
1012
1012

Ozone (du)

291
289
289
287
286
286
284
281
280
279
278
278
278
280
281
281
282
284
285
287
288
288
289
291

Wednesday 30

Waning Gibbous 76%

20:00

13:36

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

Sun - Rise: 07:08, Set: 18:47, Transit: 12:57. Moon - Rise: 20:00, Set: 13:36. Civil Dark: 19:20 - 06:36. Nautical Dark: 19:58 - 05:58. Astro Dark: 20:37 - 05:19

Total Clouds (% Sky Obscured)

4
4
4
7
28
68
68
81
43
33
31
33
84
85
41
37
39
38
33
28
28
33
49
47

Low Clouds (% Sky Obscured)

4
4
4
4
7
16
18
23
22
24
25
23
23
22
18
18
20
19
20
21
19
15
18
18

Medium Clouds (% Sky Obscured)

0
0
4
4
26
68
61
76
23
4
7
10
76
81
10
4
0
0
0
0
0
0
4
32

High Clouds (% Sky Obscured)

0
0
0
3
1
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
2
9
22
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
9
7
9
9
9
9
7
9
6
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
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
16
27
15
27
39
36
42
54
58
65
51
29
24
34
32
13
20
7
9
15
6
5
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
16
13
11
10
9
9
10
11
12
12
11
9
8
6
6
5
7
9
10
11
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
57
62
73
82
86
87
87
85
84
86
84
87
86
86
87
87
84
75
67
62
53
51
51

Pressure (mb)

1012
1012
1013
1013
1014
1014
1015
1016
1016
1016
1016
1017
1018
1018
1019
1020
1021
1021
1022
1023
1024
1024
1025
1025

Ozone (du)

293
293
294
295
296
299
303
302
303
304
306
309
311
314
313
313
317
318
314
308
305
302
298
296

Thursday 1

Waning Gibbous 66%

20:44

14:46

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

Sun - Rise: 07:10, Set: 18:45, Transit: 12:57. Moon - Rise: 20:44, Set: 14:46. Civil Dark: 19:18 - 06:38. Nautical Dark: 19:56 - 06:00. Astro Dark: 20:35 - 05:21

Total Clouds (% Sky Obscured)

73
74
71
65
38
48
55
50
48
82
63
62
50
52
25
49
86
89
92
77
62
47
54
59

Low Clouds (% Sky Obscured)

19
17
17
19
21
23
25
19
18
13
9
6
2
7
10
14
25
23
21
17
16
15
14
16

Medium Clouds (% Sky Obscured)

39
59
65
60
1
0
0
3
7
10
7
4
1
1
1
1
7
4
2
2
1
0
2
5

High Clouds (% Sky Obscured)

34
30
3
1
24
44
40
30
29
77
59
62
50
37
3
18
65
77
90
70
44
18
41
59

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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
1
1
0
0
0
0
2
1
0
0
2
0
3
4
1
25
28
35
31
33
36
30
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
53
56
63
73
78
80
80
80
79
79
79
80
82
82
84
87
82
78
74
73
71
71
67

Pressure (mb)

1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029

Ozone (du)

296
297
298
299
300
302
302
303
305
304
303
303
302
303
304
305
304
303
302
301
301
300
300
299

Friday 2

Waning Gibbous 54%

21:44

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: 07:12, Set: 18:43, Transit: 12:56. Moon - Rise: 21:44, Set: No Set. Civil Dark: 19:15 - 06:39. Nautical Dark: 19:53 - 06:01. Astro Dark: 20:32 - 05:22

Total Clouds (% Sky Obscured)

62
65
73
80
79
77
78
76
73
74
72
70
66
62
59
55
65
76
87
80
77
71
78
84

Low Clouds (% Sky Obscured)

17
16
14
17
15
16
15
12
8
6
6
7
7
6
6
5
4
3
2
5
5
8
9
10

Medium Clouds (% Sky Obscured)

7
13
16
25
43
46
49
46
48
50
27
11
1
0
0
0
0
0
0
13
25
36
51
66

High Clouds (% Sky Obscured)

62
65
73
80
79
77
78
76
73
74
65
55
45
40
35
35
53
67
84
75
69
65
72
76

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 (%)

17
15
14
12
9
2
0
0
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)

10
9
8
7
6
4
3
2
2
1
2
2
2
2
2
3
4
4
5
6
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
60
69
76
85
85
86
87
87
87
89
90
92
92
92
93
93
87
82
78
69
61
55
56

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1025
1025
1024
1024

Ozone (du)

299
298
298
298
298
298
299
299
298
298
297
296
295
294
294
294
294
294
294
294
294
293
292
292

Saturday 3

Third Quarter 42%

23:00

15:38

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 OK
10 OK
11 OK
12 OK

Sun - Rise: 07:13, Set: 18:41, Transit: 12:56. Moon - Rise: 23:00, Set: 15:38. Civil Dark: 19:13 - 06:41. Nautical Dark: 19:51 - 06:03. Astro Dark: 20:30 - 05:24

Total Clouds (% Sky Obscured)

90
91
92
94
96
98
100
100
100
100
100
100
100
95
88
83
71
56
44
44
42
42

Low Clouds (% Sky Obscured)

10
11
12
15
13
11
10
11
11
12
9
7
8
6
5
4
3
1
0
1
1
2

Medium Clouds (% Sky Obscured)

81
81
77
77
79
72
64
72
75
77
76
74
73
52
33
14
11
8
5
6
6
6

High Clouds (% Sky Obscured)

82
82
82
82
89
95
100
100
100
100
100
99
99
82
60
41
48
48
44
41
30
16

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
0
0
0
0
0
0
0
0
0
6
5
1
11
8
2
12
10
4
4
4
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
17
17
17
14
14
14
13
13
13
12
11
11
12
11
11
11
12
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

57
58
65
72
80
80
80
80
80
80
80
79
76
76
79
83
88
83
78
74
69
63

Pressure (mb)

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

Ozone (du)

292
293
293
294
295
295
296
297
298
298
299
299
299
299
300
301
302
302
303
303
304
304

Forecast for Swanage, Dorset, United Kingdom (50.61,-1.96)

Generated: 27/09/26 15:20:14. Forecast: 27/09/26 to 03/10/26. Timezone: UTC+1.00