Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 19

Waxing Crescent 1%

09:03

16:57

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:59, Set: 16:21, Transit: 12:10. Moon - Rise: 09:03, Set: 16:57. Civil Dark: 17:00 - 07:20. Nautical Dark: 17:43 - 06:37. Astro Dark: 18:24 - 05:56

Total Clouds (% Sky Obscured)

37
52
63
96
95
94
96
95
100
100
86
90
95
91
99
99
82
92
91
68
81
71
78
71

Low Clouds (% Sky Obscured)

37
52
63
81
86
82
68
86
68
75
70
84
78
59
98
91
69
82
57
64
77
69
77
69

Medium Clouds (% Sky Obscured)

37
39
34
17
13
14
25
16
20
92
72
62
86
33
31
56
55
85
87
60
60
60
60
6

High Clouds (% Sky Obscured)

1
2
2
5
6
6
11
11
90
46
47
38
50
56
77
46
43
70
9
3
13
3
3
5

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 (%)

1
0
2
12
1
4
12
4
3
2
2
5
22
9
21
19
14
1
0
0
0
2
10
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
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
6
7
8
9
9
9
8
8
8
8
8
7
8
8
8
9
9
8
8
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
93
90
93
95
95
95
95
95
93
93
94
95
95
93
95
93
87
93
91
91
91
91

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

380
378
379
382
384
383
383
383
384
386
386
386
385
384
382
381
379
378
378
378
377
378
380
382

Tuesday 20

Waxing Crescent 3%

09:03

18:19

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

Sun - Rise: 07:58, Set: 16:23, Transit: 12:11. Moon - Rise: 09:03, Set: 18:19. Civil Dark: 17:02 - 07:19. Nautical Dark: 17:45 - 06:36. Astro Dark: 18:26 - 05:55

Total Clouds (% Sky Obscured)

81
54
50
37
51
65
52
45
39
56
81
84
92
100
100
100
100
98
99
100
99
99
100
96

Low Clouds (% Sky Obscured)

61
54
50
37
49
50
52
45
39
56
76
79
81
53
46
76
65
87
92
83
93
80
79
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
35
40
35
84
65
62
77
98
100
92
96
100
89

High Clouds (% Sky Obscured)

39
10
0
0
0
0
0
0
0
5
40
40
60
100
70
67
62
14
41
2
28
70
48
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
9
3
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
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

1
0
0
0
11
8
0
0
0
0
0
0
10
4
8
8
30
26
51
94
88
95
95
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.4
1
1
0

Wind Speed/Direction (mph)

12
13
15
16
15
15
13
14
15
15
15
14
15
15
15
15
15
14
13
13
15
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
87
82
82
82
85
84
84
85
88
90
88
85
88
82
81
81
84
93
94
88
93
91

Pressure (mb)

1012
1012
1012
1011
1010
1010
1009
1009
1008
1008
1007
1007
1006
1005
1004
1004
1003
1002
1001
1000
998
997
996
996

Ozone (du)

386
387
386
382
379
377
375
368
363
361
356
353
349
350
349
343
342
342
341
341
347
357
372
388

Wednesday 21

Waxing Crescent 8%

09:15

19:40

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
08 Bad

Sun - Rise: 07:56, Set: 16:24, Transit: 12:11. Moon - Rise: 09:15, Set: 19:40. Civil Dark: 17:03 - 07:18. Nautical Dark: 17:46 - 06:35. Astro Dark: 18:27 - 05:54

Total Clouds (% Sky Obscured)

97
91
84
67
80
65
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
87
75
51
72
63
59
63
89
93
88
94
87
94
100
100
92
91
92
90
84
84
83
84

Medium Clouds (% Sky Obscured)

68
45
25
13
64
50
100
100
94
100
37
98
96
100
32
69
100
100
95
98
98
99
99
100

High Clouds (% Sky Obscured)

0
0
0
2
3
38
60
60
100
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
7
7
2
6
7
4
9
7
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

48
26
12
34
66
95
94
70
86
95
70
53
44
33
20
27
20
11
9
13
49
63
71
77

Precipitation Amount (mm)

0
0
0
0
0.3
1
0.9
0.4
0.6
0.8
0.3
0.2
0
0
0
0
0
0
0
0
0
0.3
0.2
0.4

Wind Speed/Direction (mph)

13
18
16
17
17
16
16
18
20
20
20
20
20
18
18
17
17
16
16
15
14
14
14
13

Chance of Frost

Temperature (°C)

6
7
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
85
81
85
90
93
93
90
90
90
91
90
90
91
91
93
93
94
94
93
94
96
94

Pressure (mb)

995
995
994
994
993
992
991
990
990
990
989
989
989
989
989
989
989
989
989
989
990
990
990
990

Ozone (du)

395
388
383
383
379
380
379
377
380
381
384
384
382
379
378
376
373
369
365
363
361
360
359
360

Thursday 22

Waxing Crescent 15%

09:26

21:01

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
08 Bad

Sun - Rise: 07:55, Set: 16:26, Transit: 12:11. Moon - Rise: 09:26, Set: 21:01. Civil Dark: 17:05 - 07:16. Nautical Dark: 17:48 - 06:34. Astro Dark: 18:29 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
99
99
99
96
93
89
90
92
93
92
92
92
94
96
98
95
92
87
91
95
100

Low Clouds (% Sky Obscured)

89
95
100
93
86
80
78
77
76
77
79
80
77
79
78
77
78
81
79
77
73
65
59
59

Medium Clouds (% Sky Obscured)

100
100
100
99
97
94
34
30
24
19
78
81
82
83
80
26
33
37
26
45
44
63
82
100

High Clouds (% Sky Obscured)

100
100
100
73
43
15
10
5
10
1
5
25
27
29
36
10
10
14
9
33
45
60
55
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

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 (%)

68
54
47
46
42
45
39
26
12
17
27
21
25
24
15
23
24
20
17
17
3
3
5
10

Precipitation Amount (mm)

0.3
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
13
13
14
14
15
14
15
15
15
16
16
16
16
16
16
16
15
13
12
13
14

Chance of Frost

Temperature (°C)

7
7
7
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
6
6

Feels Like (°C)

3
2
2
2
2
2
2
2
2
3
3
2
2
2
2
1
1
1
2
2
2
2
2
1

Dew Point (°C)

6
6
6
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5

Relative Humidity (%)

96
94
93
93
94
93
94
93
94
93
94
94
93
93
91
90
91
90
90
87
87
88
90
90

Pressure (mb)

990
990
990
989
989
989
988
988
988
988
987
987
987
986
986
986
986
985
985
986
986
986
987
987

Ozone (du)

360
361
362
364
363
364
367
370
369
373
374
374
377
378
376
376
379
378
374
371
370
367
365
363

Friday 23

Waxing Crescent 23%

09:35

22:22

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
08 Bad

Sun - Rise: 07:54, Set: 16:28, Transit: 12:12. Moon - Rise: 09:35, Set: 22:22. Civil Dark: 17:07 - 07:15. Nautical Dark: 17:49 - 06:33. Astro Dark: 18:30 - 05:52

Total Clouds (% Sky Obscured)

99
99
98
95
91
88
92
95
99
91
83
77
75
59
47
58
69
79
83
88
92
92
92
93

Low Clouds (% Sky Obscured)

63
65
70
71
72
76
71
64
48
54
58
61
59
54
47
58
69
79
82
83
85
86
87
89

Medium Clouds (% Sky Obscured)

98
95
49
84
78
69
81
89
98
85
66
50
45
26
16
16
15
17
19
19
18
30
38
49

High Clouds (% Sky Obscured)

80
57
5
4
5
8
39
46
45
40
30
25
30
1
1
2
2
2
1
1
0
0
1
3

ISS Passover

Visibility (miles)

9
9
9
9
9
4
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
17
23
26
39
55
32
21
5
4
2
0
0
0
0
0
0
0
1
4
4
11
14
8

Precipitation Amount (mm)

0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
90
88
84
90
84
87
88
86
88
88
86
88
90
90
88
88
86
85
83
85
83

Pressure (mb)

987
988
988
988
988
988
988
989
989
990
990
990
991
991
991
991
991
991
991
992
992
992
993
993

Ozone (du)

364
367
372
373
375
372
373
373
378
381
386
389
391
391
393
397
396
395
395
394
394
394
395
396

Saturday 24

Waxing Crescent 34%

09:45

23:46

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
08 Bad

Sun - Rise: 07:52, Set: 16:30, Transit: 12:12. Moon - Rise: 09:45, Set: 23:46. Civil Dark: 17:08 - 07:14. Nautical Dark: 17:51 - 06:32. Astro Dark: 18:32 - 05:51

Total Clouds (% Sky Obscured)

94
96
97
87
77
67
66
66
67
59
49
39
60
73
81
84
87
95
85
78
75
83
90
97

Low Clouds (% Sky Obscured)

89
90
91
82
74
65
63
66
67
54
43
34
37
39
42
49
56
60
58
55
57
69
80
93

Medium Clouds (% Sky Obscured)

43
37
32
28
21
13
12
13
15
22
26
29
22
15
7
22
36
51
40
33
31
26
33
27

High Clouds (% Sky Obscured)

2
2
1
7
12
11
12
14
15
13
12
10
35
59
81
83
86
88
65
43
20
14
9
5

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
14
13
15
16
12
19
23
29
36
36
25
19
12
2
4
3
1
3
5
7
9
11
13

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
19
19
19
18
17
17
17
17
17
16
15
13
12
11
10
10
11
11
11
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
85
85
85
87
85
85
87
86
88
88
88
91
91
93
94
93
94
94
94
96
94
94

Pressure (mb)

994
994
995
995
995
996
996
996
997
998
998
999
999
1000
1000
1001
1001
1001
1001
1002
1002
1002
1003
1003

Ozone (du)

397
396
395
394
393
393
392
394
395
397
399
401
403
407
411
415
418
420
423
424
426
427
430
433

Sunday 25

Waxing Crescent 45%

09:57

01:14

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

Sun - Rise: 07:51, Set: 16:32, Transit: 12:12. Moon - Rise: 09:57, Set: 01:14. Civil Dark: 17:10 - 07:13. Nautical Dark: 17:52 - 06:30. Astro Dark: 18:33 - 05:50

Total Clouds (% Sky Obscured)

96
96
96
97
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
83
79
79
78
79
84
89
94
91
89
86
84
84
83
77
72
69
81
91
100

Medium Clouds (% Sky Obscured)

39
48
56
55
57
55
55
35
25
49
73
97
94
91
88
89
89
87
68
54
36

High Clouds (% Sky Obscured)

5
5
5
16
27
57
62
70
75
81
86
93
84
75
68
56
43
30
34
41
54

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 (%)

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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
1
1
1
1
1
1
1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

94
91
89
90
88
86
86
88
88
88
88
88
86
88
89
91
88
85
83
80
79

Pressure (mb)

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

Ozone (du)

436
439
441
443
445
446
448
448
448
448
446
444
443
441
439
437
435
433
430
429
428

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

Generated: 19/01/26 09:02:12. Forecast: 19/01/26 to 25/01/26. Timezone: UTC+0.00