Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

New Moon 1%

08:47

16:57

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:00, Set: 16:21, Transit: 12:10. Moon - Rise: 08:47, Set: 16:57. Civil Dark: 17:00 - 07:21. Nautical Dark: 17:43 - 06:38. Astro Dark: 18:24 - 05:57

Total Clouds (% Sky Obscured)

99
99
98
99
98
97
91
90
87
81
76
72
84
92
88
88
86
87
77
89
83
81
89
68

Low Clouds (% Sky Obscured)

56
40
31
27
26
27
27
30
35
41
37
37
36
36
32
38
47
52
57
57
50
49
36
40

Medium Clouds (% Sky Obscured)

56
98
93
97
98
97
91
28
26
27
28
27
39
34
36
32
32
33
26
31
28
25
33
21

High Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
0
0
0
3
4
0
0
0
3
3
0
3
3
0
0
6

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

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 (%)

92
23
20
9
23
19
14
13
5
10
6
4
6
2
4
14
7
4
4
1
2
2
0
0

Precipitation Amount (mm)

1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
93
91
91
91
93
93
94
93
93
93
90
89
91
90
91
88
91
91
90
90
90
93

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

397
390
387
385
381
381
382
384
386
386
386
385
386
384
382
381
378
377
379
381
381
381
381
381

Monday 19

Waxing Crescent 3%

09:03

18:19

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:59, Set: 16:23, Transit: 12:11. Moon - Rise: 09:03, Set: 18:19. Civil Dark: 17:02 - 07:20. Nautical Dark: 17:45 - 06:37. Astro Dark: 18:26 - 05:56

Total Clouds (% Sky Obscured)

79
81
93
93
91
93
96
84
99
93
90
96
89
90
89
78
91
85
96
98
91
97
95
95

Low Clouds (% Sky Obscured)

40
46
61
63
58
80
92
58
72
77
63
66
63
55
72
70
78
65
76
60
56
60
61
70

Medium Clouds (% Sky Obscured)

31
31
38
41
36
45
48
32
58
37
33
61
74
76
63
30
56
64
87
90
65
75
75
55

High Clouds (% Sky Obscured)

21
6
60
9
52
62
38
6
7
2
3
7
40
50
50
50
60
60
87
52
0
2
4
50

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
1
0
1
0
1
17
9
22
4
13
1
11
0
0
0
1
0
1
9
15
1
1
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
96
94
96
94
96
93
93
93
93
96
96
93
91
88
84
84
84
84
87
90
90

Pressure (mb)

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

Ozone (du)

383
385
386
383
381
381
380
377
375
375
374
371
372
374
374
372
371
369
365
369
370
365
363
360

Tuesday 20

Waxing Crescent 8%

09:15

No Set

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:58, Set: 16:24, Transit: 12:11. Moon - Rise: 09:15, Set: No Set. Civil Dark: 17:03 - 07:19. Nautical Dark: 17:46 - 06:36. Astro Dark: 18:27 - 05:55

Total Clouds (% Sky Obscured)

90
98
93
100
100
100
99
100
100
100
100
100
98
76
69
77
69
74
94
91
94
97
100
100

Low Clouds (% Sky Obscured)

76
96
85
74
83
81
87
80
87
82
76
87
58
49
36
34
39
52
61
78
82
85
88
92

Medium Clouds (% Sky Obscured)

74
75
19
100
53
41
98
96
96
100
100
100
95
37
43
45
37
38
88
33
38
44
100
100

High Clouds (% Sky Obscured)

55
60
64
59
100
100
80
99
100
100
65
30
30
3
0
27
29
22
16
3
35
30
25
47

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
3
3
8
9
9
9
9
9
9
9
6
7
9
5
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Light Rain
None
None
Very Light Rain
None

Precipitation Probability (%)

7
3
2
5
13
40
44
49
95
95
95
48
10
6
4
3
3
6
45
62
42
47
67
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.8
1.4
0.5
0
0
0
0
0
0
0
0
0.4
0
0
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
85
82
81
77
79
85
87
91
93
91
91
91
93
90
84
82
79
85
94
93
93
91

Pressure (mb)

1009
1008
1007
1007
1006
1005
1004
1003
1002
1002
1001
1001
1000
1000
1000
999
998
997
996
995
994
993
992
992

Ozone (du)

357
355
355
356
353
347
339
335
339
342
342
357
365
373
374
373
369
369
371
379
385
384
381
378

Wednesday 21

Waxing Crescent 15%

09:26

19:40

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:56, Set: 16:26, Transit: 12:11. Moon - Rise: 09:26, Set: 19:40. Civil Dark: 17:05 - 07:18. Nautical Dark: 17:48 - 06:35. Astro Dark: 18:29 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
98
98
98
99
99
100
100
100
100
100
100
100
100
74
77
100

Low Clouds (% Sky Obscured)

96
100
92
85
78
72
66
59
60
62
63
68
85
99
95
95
97
99
97
95
96
74
77
100

Medium Clouds (% Sky Obscured)

47
100
100
64
100
97
94
92
85
72
34
32
44
100
100
100
100
99
100
100
95
53
48
44

High Clouds (% Sky Obscured)

72
100
100
100
100
90
88
79
73
61
60
73
89
100
100
65
100
82
48
46
9
9
11
26

ISS Passover

Visibility (miles)

9
9
3
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

51
79
64
10
8
18
16
14
8
10
19
31
40
45
53
52
43
42
38
37
35
33
36
59

Precipitation Amount (mm)

0
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
93
91
87
90
91
91
91
90
93
91
94
94
93
93
90
86
84
81
83
88
91
91

Pressure (mb)

992
991
991
990
990
990
990
990
990
991
991
991
991
992
992
992
992
992
992
992
992
992
992
992

Ozone (du)

375
369
365
364
363
362
363
362
359
359
360
362
364
365
366
365
366
368
369
369
371
372
375
376

Thursday 22

Waxing Crescent 23%

09:35

21:01

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:55, Set: 16:28, Transit: 12:12. Moon - Rise: 09:35, Set: 21:01. Civil Dark: 17:07 - 07:16. Nautical Dark: 17:49 - 06:34. Astro Dark: 18:30 - 05:53

Total Clouds (% Sky Obscured)

77
100
100
100
100
99
92
86
99
98
96
98
95
91
89
88
88
91
94
97
92
75
50
44

Low Clouds (% Sky Obscured)

77
100
100
100
100
99
92
86
98
95
93
96
93
89
85
81
77
84
92
92
87
75
50
44

Medium Clouds (% Sky Obscured)

42
40
35
35
35
34
34
26
78
81
86
65
69
69
69
74
79
72
65
65
58
47
27
20

High Clouds (% Sky Obscured)

39
55
60
55
55
53
54
51
50
42
17
42
32
22
28
35
41
46
49
52
35
19
4
7

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

86
95
91
82
83
68
50
16
26
30
23
19
32
46
53
61
70
70
57
26
25
20
9
15

Precipitation Amount (mm)

0.7
0.9
0.8
0.5
0.6
0.3
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
90
91
91
91
94
94
96
93
93
91
91
89
91
91
94
91
85
82
85
88
89

Pressure (mb)

991
991
991
990
990
989
989
989
988
988
988
987
993
993
993
993
992
992
993
993
993
994
994
994

Ozone (du)

379
382
385
387
385
385
386
389
385
386
386
385
385
384
384
384
384
383
385
388
390
392
395
397

Friday 23

Waxing Crescent 34%

09:45

22:22

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

Sun - Rise: 07:54, Set: 16:30, Transit: 12:12. Moon - Rise: 09:45, Set: 22:22. Civil Dark: 17:08 - 07:15. Nautical Dark: 17:51 - 06:33. Astro Dark: 18:32 - 05:52

Total Clouds (% Sky Obscured)

37
30
26
18
20
47
62
82
89
95
100
100
100
100
100
99
99
99
98
97
93
88
84
83

Low Clouds (% Sky Obscured)

37
30
26
18
20
47
51
34
43
57
75
83
92
98
98
97
95
91
90
90
88
85
83
83

Medium Clouds (% Sky Obscured)

20
20
16
13
20
37
50
63
75
87
100
97
94
91
83
75
69
62
55
48
49
42
30
26

High Clouds (% Sky Obscured)

9
11
8
5
3
31
58
82
73
57
42
41
36
30
30
35
35
20
15
10
13
18
18
12

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

Precipitation Probability (%)

16
9
15
17
13
23
29
32
46
60
74
69
62
53
47
39
26
24
20
12
16
15
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
2
2
2
2

Relative Humidity (%)

89
89
89
89
89
88
89
89
89
89
88
88
89
91
93
89
89
86
86
85
83
85
86
88

Pressure (mb)

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

Ozone (du)

397
397
397
399
401
404
406
408
410
410
411
412
412
413
413
414
414
414
413
412
411
411
410
410

Saturday 24

Waxing Crescent 45%

09:57

23:46

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: 07:52, Set: 16:32, Transit: 12:12. Moon - Rise: 09:57, Set: 23:46. Civil Dark: 17:10 - 07:14. Nautical Dark: 17:52 - 06:32. Astro Dark: 18:33 - 05:51

Total Clouds (% Sky Obscured)

85
88
90
94
99
100
100
100
100
100
100
100
100
100
97
94
92

Low Clouds (% Sky Obscured)

85
88
90
94
97
98
99
100
100
100
100
97
97
99
97
94
92

Medium Clouds (% Sky Obscured)

21
12
10
8
8
5
3
0
20
37
55
50
35
35
29
23
17

High Clouds (% Sky Obscured)

10
2
14
26
37
35
33
30
29
30
37
32
29
24
18
13
9

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

2
0
2
3
2
7
7
3
10
11
9
12
13
11
14
16
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
12
12
12
12
12
11
11
12
12
12
12
12
12
12
13

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
88
88
86
83
82
82
79
76
76
77
79
82
79
77

Pressure (mb)

1003
1004
1004
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008

Ozone (du)

412
413
415
416
416
417
418
420
421
421
422
422
423
424
425
427
428

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

Generated: 18/01/26 19:48:13. Forecast: 18/01/26 to 24/01/26. Timezone: UTC+0.00