Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 1%

06:59

14:43

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:32, Set: 16:00, Transit: 11:45. Moon - Rise: 06:59, Set: 14:43. Civil Dark: 16:39 - 06:53. Nautical Dark: 17:21 - 06:10. Astro Dark: 18:02 - 05:29

Total Clouds (% Sky Obscured)

77
59
88
100
82
100
100
100
95
98
94
99
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

94
95
94
79
75
75
76
77
62
80
84
61
60
78
76
73
83
81
63
52
48
54
53
64

Medium Clouds (% Sky Obscured)

100
14
100
97
100
94
46
99
90
50
89
95
100
100
100
100
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
2
7

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
9
9
3
2
9
9
9
9
9
9
1
0
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
56
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

100
100
100
100
100
0
0
100
0
4
10
83
78
28
36
44
44
59
63
95
95
49
17
35

Precipitation Amount (mm)

0.4
0.6
0.6
0.6
0.3
0
0
0.2
0
0
0
0.8
0.6
0
0
0
0
0
0
0.8
1.4
0
0
0

Wind Speed/Direction (mph)

10
11
15
14
14
13
11
12
10
10
9
8
8
8
10
11
12
13
17
18
15
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
1
1
2
1
1
2
2
2
2
2
1
2
1
-1
0
0
-2
-2
-3
-2
-3
-2

Dew Point (°C)

2
3
3
3
4
4
4
4
5
4
4
4
4
4
3
3
3
2
3
3
3
-2
-3
-2

Relative Humidity (%)

81
82
83
82
85
87
92
91
92
86
91
94
94
91
88
94
91
82
85
94
96
63
58
58

Pressure (mb)

1015
1013
1012
1010
1010
1009
1008
1007
1007
1007
1006
1005
1005
1005
1005
1005
1005
1005
1005
1006
1007
1008
1009
1009

Ozone (du)

288
291
287
288
281
282
288
291
291
289
288
292
290
298
299
303
313
330
333
331
327
321
317
319

Wednesday 19

Waning Crescent 0%

08:14

14:59

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

Sun - Rise: 07:33, Set: 15:59, Transit: 11:45. Moon - Rise: 08:14, Set: 14:59. Civil Dark: 16:38 - 06:54. Nautical Dark: 17:20 - 06:11. Astro Dark: 18:01 - 05:30

Total Clouds (% Sky Obscured)

79
100
75
100
100
100
92
98
37
30
50
11
35
34
51
69
78
90
46
83
100
100
97
100

Low Clouds (% Sky Obscured)

53
56
50
46
40
39
37
27
23
13
24
6
7
6
20
13
0
0
0
0
33
5
0
0

Medium Clouds (% Sky Obscured)

77
100
75
100
100
100
92
43
12
30
50
6
35
34
51
43
50
72
33
64
100
100
80
100

High Clouds (% Sky Obscured)

9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
0

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
7
7

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
Light Rain
None

Precipitation Probability (%)

43
40
27
15
9
8
11
22
27
17
24
15
4
3
4
5
13
4
3
3
2
20
63
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
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
5
4
3
3
2
1
1
0
0
0
-0
-0
-0
-1
-1
-1
-1
-1
-1
-1
0
1
2

Feels Like (°C)

-1
-2
-3
-4
-5
-6
-7
-7
-6
-6
-7
-8
-6
-7
-8
-8
-7
-6
-7
-6
-5
-6
-6
-5

Dew Point (°C)

-1
-1
1
2
0
-1
-2
-1
-1
-2
-2
-3
-3
-4
-4
-4
-4
-3
-5
-5
-5
-5
-3
-1

Relative Humidity (%)

65
66
77
88
83
83
84
88
89
87
84
80
80
78
78
78
78
83
75
74
74
70
73
84

Pressure (mb)

1009
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

322
325
323
323
321
317
317
315
314
315
314
317
318
316
314
312
310
313
319
323
325
332
334
330

Thursday 20

New Moon 0%

09:25

15:20

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 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad

Sun - Rise: 07:35, Set: 15:57, Transit: 11:46. Moon - Rise: 09:25, Set: 15:20. Civil Dark: 16:37 - 06:56. Nautical Dark: 17:19 - 06:13. Astro Dark: 18:00 - 05:32

Total Clouds (% Sky Obscured)

100
100
70
42
46
93
95
84
56
62
60
57
49
55
37
33
30
18
24
21
21
20
30
84

Low Clouds (% Sky Obscured)

23
11
5
22
28
45
50
55
51
50
52
54
41
41
34
31
30
18
22
20
17
5
2
0

Medium Clouds (% Sky Obscured)

100
100
69
30
35
88
90
70
20
23
25
25
30
36
12
3
0
0
3
0
0
4
4
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
3
20
30
84

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
2
1
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
23
21
14
7
4
5
27
18
4
3
4
4
5
4
6
3
4
2
2
2
1
1
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)

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

Chance of Frost

Temperature (°C)

3
2
2
2
2
1
2
2
1
1
1
1
1
1
1
0
0
-0
-0
-1
-1
0
2
3

Feels Like (°C)

-5
-6
-6
-6
-6
-6
-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3
-2

Dew Point (°C)

-1
1
-0
-0
-1
-1
-1
-1
-1
-1
-0
0
1
1
-0
-1
-1
-2
-2
-2
-3
-3
-2
-2

Relative Humidity (%)

79
88
83
85
79
88
80
83
89
91
94
96
94
94
93
92
91
91
91
89
87
83
77
72

Pressure (mb)

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

Ozone (du)

328
322
316
312
310
310
313
316
318
321
321
317
315
311
309
304
301
297
295
295
294
290
287
286

Friday 21

Waxing Crescent 2%

10:27

15:51

12 Bad
13 OK
14 OK
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

Sun - Rise: 07:37, Set: 15:56, Transit: 11:46. Moon - Rise: 10:27, Set: 15:51. Civil Dark: 16:35 - 06:57. Nautical Dark: 17:18 - 06:14. Astro Dark: 17:59 - 05:33

Total Clouds (% Sky Obscured)

91
43
35
35
73
70
67
57
50
65
83
100
100
100
100
100
100
100
100
100
100
99
97
96

Low Clouds (% Sky Obscured)

10
14
0
0
21
23
23
25
25
20
17
19
18
15
19
20
25
25
33
47
58
62
67
71

Medium Clouds (% Sky Obscured)

29
24
35
9
0
66
59
52
50
65
83
67
97
99
100
100
100
95
63
100
100
99
97
96

High Clouds (% Sky Obscured)

91
43
35
35
73
70
67
55
50
65
81
100
100
100
100
100
100
97
100
100
100
75
50
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
8
6
3

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
9
23
20
46
47
50
47
48
63
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
4
3
1
1
0
0
0
0
0
0
0
0
1
1
2
2
2
2
2
2
3
3

Feels Like (°C)

-1
0
0
-1
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
-4
-4
-3
-3
-2
-1
-0
0
1

Dew Point (°C)

-1
-1
0
-0
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-0
-0
0
1
1
2
2
3

Relative Humidity (%)

71
73
76
80
83
83
84
84
84
84
84
84
84
88
88
88
88
86
88
89
93
94
94
98

Pressure (mb)

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

Ozone (du)

285
285
285
284
282
281
279
272
268
266
261
257
258
259
261
265
270
273
281
286
285
285
288
289

Saturday 22

Waxing Crescent 5%

11:17

16:35

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:39, Set: 15:55, Transit: 11:46. Moon - Rise: 11:17, Set: 16:35. Civil Dark: 16:34 - 06:59. Nautical Dark: 17:18 - 06:16. Astro Dark: 17:59 - 05:34

Total Clouds (% Sky Obscured)

95
94
92
93
94
94
80
98
69
100
100
100
100
100
100
100
99
99
99
100
100
96
91
84

Low Clouds (% Sky Obscured)

73
77
84
84
84
84
80
84
69
88
96
100
96
92
80
77
82
82
90
95
100
89
79
69

Medium Clouds (% Sky Obscured)

95
93
91
91
89
88
65
96
57
57
58
100
75
78
98
94
97
97
97
98
100
90
65
65

High Clouds (% Sky Obscured)

38
49
45
31
40
24
29
80
69
100
100
100
100
100
100
94
88
83
87
78
89
48
26
0

ISS Passover

Visibility (miles)

9
8
5
1
1
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

33
43
57
66
56
48
37
30
21
22
24
23
28
23
17
43
60
72
93
95
95
95
92
52

Precipitation Amount (mm)

0
0
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.6
0.9
1.2
0.9
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
2
2
2
2
2
2
1
2
1
0
1
1
1
1
1
1
2
1
2
2
3
4

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
98
98
98
98
96
98
96
96
94
94
93
93
93
93
93
94
93
94
96
96
93

Pressure (mb)

1015
1014
1013
1013
1012
1012
1011
1011
1011
1010
1009
1009
1008
1007
1007
1006
1005
1004
1003
1003
1002
1002
1001
1001

Ozone (du)

293
290
287
283
279
278
277
275
273
273
274
276
276
276
273
273
276
275
277
277
278
279
281
284

Sunday 23

Waxing Crescent 10%

11:52

17:33

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:40, Set: 15:54, Transit: 11:46. Moon - Rise: 11:52, Set: 17:33. Civil Dark: 16:34 - 07:00. Nautical Dark: 17:17 - 06:17. Astro Dark: 17:58 - 05:36

Total Clouds (% Sky Obscured)

76
67
60
68
83
99
97
94
91
90
89
86
81
80
80
86
92
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

59
50
40
45
49
54
55
55
56
62
66
68
65
59
56
62
61
64
66
64
59
51
43
34

Medium Clouds (% Sky Obscured)

59
52
48
57
62
63
55
40
32
28
25
22
18
10
3
17
28
36
50
68
86
91
95
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
3
16
29
39
51
63
75
83
92
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 (%)

52
24
9
14
15
12
14
14
11
20
25
27
21
13
3
5
3
1
6
6
1
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
4
4
4
3
3
3
3
3
3
2
1
1
1
1
0
-1
-1
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
93
93
93
93
94
94
94
94
93
93
93
93
93
93
91
91
89
89
88
85
80

Pressure (mb)

1000
1000
999
999
999
999
998
998
998
998
997
997
997
997
996
996
996
996
995
996
996
996
996
996

Ozone (du)

284
287
290
293
294
295
295
295
294
293
293
293
292
293
294
295
295
295
295
296
298
300
300
300

Monday 24

Waxing Crescent 17%

No Rise

18:44

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:42, Set: 15:53, Transit: 11:47. Moon - Rise: No Rise, Set: 18:44. Civil Dark: 16:33 - 07:02. Nautical Dark: 17:16 - 06:18. Astro Dark: 17:57 - 05:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
91
81
72
71
76
71
70
75
80
69
61
50

Low Clouds (% Sky Obscured)

43
51
56
57
53
51
52
49
50
57
74
81
71
61
44
44
47
47
50
54
57
57
57
50

Medium Clouds (% Sky Obscured)

99
98
97
90
83
78
65
66
61
68
67
65
60
60
55
50
28
18
15
12
10
9
10
11

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
78
57
55
55
60
60
60
55
55
37
13
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
None
None
None
None

Precipitation Probability (%)

17
20
11
31
37
34
35
33
24
27
26
16
21
21
9
28
33
25
28
27
18
23
28
28

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)

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

Chance of Frost

Temperature (°C)

6
6
7
7
7
7
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
6
7

Feels Like (°C)

-1
3
3
3
3
3
3
2
2
2
2
2
2
0
0
1
1
1
1
3
3
3
2
2

Dew Point (°C)

3
3
3
4
4
4
4
3
3
3
3
4
4
3
3
3
3
3
3
4
4
4
4
5

Relative Humidity (%)

76
78
79
81
82
81
82
81
81
81
82
85
86
86
86
86
86
86
88
90
91
93
88
85

Pressure (mb)

996
997
997
998
999
1000
1001
1002
1003
1004
1005
1006
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017

Ozone (du)

300
299
298
298
292
287
281
284
286
288
292
296
300
301
302
303
299
295
291
290
289
288
287
286

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 18/11/25 21:08:59. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+0.00