Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waxing Crescent 7%

09:30

19:37

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:31, Set: 19:20, Transit: 12:55. Moon - Rise: 09:30, Set: 19:37. Civil Dark: 19:54 - 05:56. Nautical Dark: 20:36 - 05:14. Astro Dark: 21:21 - 04:29

Total Clouds (% Sky Obscured)

64
67
62
100
100
100
99
98
89
64
76
80
83
68
68
74
89
68
59
100
100
100
92
91

Low Clouds (% Sky Obscured)

42
40
52
67
62
68
65
79
64
31
41
80
83
65
68
74
61
44
31
31
31
48
52
55

Medium Clouds (% Sky Obscured)

14
67
62
90
91
91
98
20
69
10
9
0
0
0
0
0
4
11
6
4
1
4
7
0

High Clouds (% Sky Obscured)

64
31
62
100
100
100
81
61
0
23
38
1
1
8
9
32
64
21
32
100
100
100
64
75

ISS Passover

Visibility (miles)

9
9
9
9
4
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 (%)

14
66
95
39
33
30
10
14
11
5
6
5
2
5
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
95
93
96
93
87
76
68
62
59
55
55
54
59
70
76
76
79
81
81
81
86
90

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

297
295
295
293
294
300
307
315
313
309
308
306
305
301
299
296
295
294
292
291
289
287
286
286

Monday 14

Waxing Crescent 13%

10:50

19:50

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
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 Bad
01 Bad

Sun - Rise: 06:33, Set: 19:17, Transit: 12:55. Moon - Rise: 10:50, Set: 19:50. Civil Dark: 19:52 - 05:58. Nautical Dark: 20:34 - 05:16. Astro Dark: 21:19 - 04:31

Total Clouds (% Sky Obscured)

100
100
98
86
75
76
86
82
53
84
87
73
71
59
40
85
86
54
54
25
20
21
73
100

Low Clouds (% Sky Obscured)

53
32
33
45
57
56
68
44
33
53
48
32
64
56
40
43
52
25
45
19
13
21
56
75

Medium Clouds (% Sky Obscured)

52
9
5
4
4
2
7
8
4
12
16
12
5
5
5
16
10
7
6
3
0
0
1
9

High Clouds (% Sky Obscured)

100
100
96
74
61
33
29
2
0
0
0
0
0
0
0
0
2
2
1
0
0
0
25
60

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
1
17
3
0
2
8
6
2
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)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
15
17
19
20
22
23
23
24
25
26
25
25
23
22
21
20
19
19
18

Feels Like (°C)

15
15
16
15
15
15
16
18
20
22
22
23
24
24
24
23
25
24
23
20
19
20
19
17

Dew Point (°C)

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

Relative Humidity (%)

90
90
93
93
89
86
82
77
68
65
59
55
54
62
60
56
52
58
63
65
71
80
86
82

Pressure (mb)

1022
1021
1021
1021
1021
1021
1021
1022
1021
1021
1021
1021
1020
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1016

Ozone (du)

286
286
285
284
284
285
284
284
285
285
286
287
288
290
290
291
293
290
289
288
287
289
289
289

Tuesday 15

Waxing Crescent 21%

12:10

20:07

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
16 Bad
17 Bad
18 Good
19 Good
20 Good
21 Good
22 OK
23 OK
00 Bad
01 Bad

Sun - Rise: 06:34, Set: 19:15, Transit: 12:55. Moon - Rise: 12:10, Set: 20:07. Civil Dark: 19:49 - 06:00. Nautical Dark: 20:31 - 05:18. Astro Dark: 21:16 - 04:34

Total Clouds (% Sky Obscured)

100
100
100
100
92
72
68
49
91
100
75
70
58
44
61
51
12
6
3
2
21
40
62
58

Low Clouds (% Sky Obscured)

81
70
62
54
51
65
56
49
45
56
56
27
24
22
34
30
12
6
3
1
7
12
19
22

Medium Clouds (% Sky Obscured)

5
9
58
7
4
0
0
9
91
95
75
70
5
4
3
4
0
0
0
0
4
9
10
10

High Clouds (% Sky Obscured)

60
67
100
100
42
30
30
25
53
55
72
50
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
5
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
2
13
2
4
20
42
65
95
56
27
7
3
1
1
1
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
1.1
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
15
15
16
16
15
14
15
17
17
15
11
9
8
6
8
8
9
9
8
9
9
9

Relative Humidity (%)

81
78
81
83
90
92
83
75
82
86
82
69
52
44
42
42
48
55
65
71
72
77
80
81

Pressure (mb)

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

Ozone (du)

289
288
288
288
289
290
290
293
295
300
304
306
314
321
329
330
330
332
333
333
334
337
338
336

Wednesday 16

Waxing Crescent 30%

13:27

20:31

02 Bad
03 Bad
04 OK
05 OK
06 OK
07 OK
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

Sun - Rise: 06:36, Set: 19:12, Transit: 12:54. Moon - Rise: 13:27, Set: 20:31. Civil Dark: 19:47 - 06:02. Nautical Dark: 20:29 - 05:20. Astro Dark: 21:13 - 04:36

Total Clouds (% Sky Obscured)

52
53
47
40
30
44
57
70
69
69
69
69
69
71
76
80
80
49
56
94
96
98
100
99

Low Clouds (% Sky Obscured)

23
25
29
33
30
44
57
70
58
48
36
45
47
51
44
44
39
1
1
2
2
2
1
20

Medium Clouds (% Sky Obscured)

12
11
9
5
0
0
0
0
3
3
5
2
6
71
76
1
1
2
3
8
13
14
19
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
19
26
23
24
88
93
97
100
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
2
10
3
13
14
12
20
30
37
31
13
9
8
4
1
4
6
5
21

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
86
87
87
81
77
68
59
54
50
49
50
61
56
54
54
57
66
73
77
79
80
80

Pressure (mb)

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

Ozone (du)

335
334
334
335
336
337
338
339
338
338
338
338
337
337
337
333
327
322
318
317
315
311
310
310

Thursday 17

Waxing Crescent 39%

14:38

21:04

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK

Sun - Rise: 06:38, Set: 19:10, Transit: 12:54. Moon - Rise: 14:38, Set: 21:04. Civil Dark: 19:45 - 06:03. Nautical Dark: 20:26 - 05:22. Astro Dark: 21:10 - 04:38

Total Clouds (% Sky Obscured)

99
98
99
99
94
100
100
99
100
100
100
88
79
68
64
60
62
56
54
56
56
52
49
37

Low Clouds (% Sky Obscured)

38
57
82
85
85
95
62
85
85
83
80
70
57
45
40
35
31
20
8
2
2
2
2
5

Medium Clouds (% Sky Obscured)

99
98
99
99
60
96
100
91
15
95
8
12
11
10
17
24
33
43
54
56
56
52
49
37

High Clouds (% Sky Obscured)

77
50
50
24
39
56
66
80
80
80
81
63
44
21
15
17
20
30
5
0
2
18
20
15

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 (%)

25
25
22
17
13
13
9
10
28
29
36
40
34
26
21
14
2
4
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
75
75
75
77
79
72
70
74
81
77
73
65
57
49
50
52
54
61
69
76
77
80
80

Pressure (mb)

1013
1012
1011
1010
1010
1009
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009
1010

Ozone (du)

311
311
311
313
316
319
319
321
325
322
319
317
315
313
312
312
312
312
313
314
315
315
316
316

Friday 18

First Quarter 49%

15:38

21:49

02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
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

Sun - Rise: 06:40, Set: 19:08, Transit: 12:54. Moon - Rise: 15:38, Set: 21:49. Civil Dark: 19:42 - 06:05. Nautical Dark: 20:23 - 05:24. Astro Dark: 21:07 - 04:40

Total Clouds (% Sky Obscured)

30
22
28
33
37
38
38
38
50
57
63
75
88
100
100
100
100
100
100
100
97
94
89
91

Low Clouds (% Sky Obscured)

9
12
14
15
12
17
25
33
39
45
54
45
37
28
31
29
31
29
29
24
20
18
15
22

Medium Clouds (% Sky Obscured)

30
22
18
12
5
5
5
5
5
3
2
16
32
48
44
33
18
38
59
80
85
90
89
84

High Clouds (% Sky Obscured)

9
3
9
16
22
18
13
6
9
11
14
42
76
100
100
100
100
100
100
100
95
81
64
74

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
4
5
4
6
6
0
2
1
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

11
11
10
10
10
9
11
13
14
15
16
17
18
18
18
18
17
17
16
16
16
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
84
88
91
95
83
75
67
59
53
48
48
47
47
51
55
60
63
66
68
70
71
74

Pressure (mb)

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

Ozone (du)

314
312
310
309
308
307
306
306
306
304
302
300
301
303
304
303
303
303
301
300
298
295
293
290

Saturday 19

Waxing Gibbous 59%

16:25

22:49

Sun - Rise: 06:41, Set: 19:05, Transit: 12:53. Moon - Rise: 16:25, Set: 22:49. Civil Dark: 19:40 - 06:07. Nautical Dark: 20:21 - 05:26. Astro Dark: 21:04 - 04:42

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 13/09/26 02:29:35. Forecast: 13/09/26 to 19/09/26. Timezone: UTC+1.00