Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 3%

09:15

18:19

11 OK
12 OK
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

Sun - Rise: 07:58, Set: 16:23, Transit: 12:11. Moon - Rise: 09:15, 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)

29
32
53
59
78
83
58
72
79
59
79
100
100
100
100
100
100
100
100
91
99
78
89
82

Low Clouds (% Sky Obscured)

29
32
53
59
63
73
58
70
75
48
75
77
75
68
91
69
72
89
92
83
87
78
76
72

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
24
100
100
100
100
100
69
95
35
98
3
63
55

High Clouds (% Sky Obscured)

0
2
7
6
3
0
0
60
64
28
28
100
89
100
100
100
38
40
0
0
0
3
16
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
6
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
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
1
1
0
0
0
0
0
2
4
21
61
95
74
48
60
73
61
41
26
3
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.3
0
0.2
0.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
16
17
17
17
16
16
17
17
17
16
17
16
18
20
23
20
14
13
12
12
14

Chance of Frost

Temperature (°C)

9
10
10
9
9
8
8
7
7
7
7
7
7
7
7
7
7
7
6
5
5
5
5
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
80
77
75
75
77
84
85
85
87
87
87
85
87
90
88
82
86
88
90
90
90
87

Pressure (mb)

1011
1010
1009
1009
1008
1008
1007
1007
1006
1005
1005
1004
1003
1002
1000
999
997
996
997
996
996
996
995
995

Ozone (du)

369
362
357
352
350
348
343
337
334
328
331
331
333
335
333
329
342
353
367
363
359
361
363
368

Wednesday 21

Waxing Crescent 8%

09:26

19:40

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
09 Bad
10 Bad

Sun - Rise: 07:56, Set: 16:24, Transit: 12:11. Moon - Rise: 09:26, 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)

100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
99
99
97
100
100
100

Low Clouds (% Sky Obscured)

65
46
98
91
94
91
94
89
88
88
80
78
82
59
70
73
78
84
67
53
50
50
45
49

Medium Clouds (% Sky Obscured)

100
100
100
100
97
85
100
98
96
89
91
100
99
87
100
100
100
97
91
97
92
98
99
92

High Clouds (% Sky Obscured)

66
100
100
100
99
100
100
100
75
100
100
57
100
100
80
91
77
91
61
84
73
74
90
57

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

13
41
78
95
71
78
88
76
57
47
55
38
44
35
47
41
32
34
35
30
10
3
2
5

Precipitation Amount (mm)

0
0
0.4
0.9
0.4
0.5
0.7
0.5
0.2
0
0.3
0
0.2
0
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
17
18
19
21
20
20
19
19
20
19
18
18
18
17
16
16
15
14
15
14
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

994
993
992
992
991
990
991
991
991
991
991
991
991
991
991
991
991
991
991
991
991
992
992
992

Ozone (du)

371
373
372
374
375
375
373
372
373
373
372
373
373
374
373
370
368
367
364
363
361
358
358
358

Thursday 22

Waxing Crescent 15%

09:35

21:01

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
09 Bad
10 Bad

Sun - Rise: 07:55, Set: 16:26, Transit: 12:11. Moon - Rise: 09:35, 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
100
100
100
100
100
95
88
100
71
82
77
78
100
100
96
97
90
81
72
72
75

Low Clouds (% Sky Obscured)

54
77
66
91
86
70
65
82
82
80
86
69
59
68
64
72
60
64
66
62
59
53
48
53

Medium Clouds (% Sky Obscured)

76
70
67
50
48
40
35
37
19
18
25
17
17
0
0
33
40
23
93
82
68
55
26
62

High Clouds (% Sky Obscured)

52
50
48
40
43
43
35
40
40
8
0
28
35
24
54
68
65
60
57
60
45
40
49
51

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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

6
16
10
18
15
13
9
21
21
20
12
21
17
2
7
27
54
31
15
10
10
9
9
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
8
8
8
8
7
7
7
7
7
7
7
6
6
6
6
6
6
6
6
6
6
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

991
991
991
991
990
990
990
990
990
990
990
990
990
990
990
990
990
989
989
989
989
989
990
990

Ozone (du)

359
363
366
370
373
372
370
372
370
374
376
378
377
372
369
368
369
369
368
366
365
365
365
366

Friday 23

Waxing Crescent 23%

09:45

22:22

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
09 Bad
10 Bad

Sun - Rise: 07:54, Set: 16:28, Transit: 12:12. Moon - Rise: 09:45, 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)

78
86
93
100
100
100
100
98
96
95
87
44
48
88
56
90
62
61
100
100
100
100
98
98

Low Clouds (% Sky Obscured)

48
58
64
73
74
76
77
59
59
64
56
44
39
46
51
52
54
55
57
66
74
83
82
84

Medium Clouds (% Sky Obscured)

60
69
78
89
90
95
100
97
94
84
23
19
24
86
33
84
43
52
55
90
80
70
69
70

High Clouds (% Sky Obscured)

59
71
84
100
100
100
100
72
47
25
25
4
6
18
26
39
36
37
69
77
89
98
63
49

ISS Passover

Visibility (miles)

9
9
9
6
4
6
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
32
57
80
70
48
13
5
4
2
3
3
1
1
1
0
3
3
4
3
2
0
1
3

Precipitation Amount (mm)

0
0
0.2
0.6
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
90
91
93
90
88
86
91
93
93
94
93
93
94
94
94
94
94
94
94
93
91

Pressure (mb)

990
991
990
990
991
991
991
992
992
992
993
993
994
994
994
995
995
996
996
996
997
997
998
998

Ozone (du)

366
368
368
369
369
370
373
375
375
376
377
377
376
376
376
377
376
376
375
374
374
374
374
376

Saturday 24

Waxing Crescent 34%

09:57

23:46

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
09 Bad
10 Bad

Sun - Rise: 07:52, Set: 16:30, Transit: 12:12. Moon - Rise: 09:57, 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)

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

Low Clouds (% Sky Obscured)

83
89
94
94
92
100
96
100
100
100
100
100
100
97
95
93
95
98
100
94
88
82
73
67

Medium Clouds (% Sky Obscured)

73
80
86
89
93
96
98
98
99
100
100
100
100
94
87
83
86
88
90
77
59
44
41
38

High Clouds (% Sky Obscured)

38
79
48
59
64
70
81
72
70
63
74
81
89
79
69
59
71
86
100
94
87
78
66
52

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
1
4
4
13
12
11
14
15
17
23
28
30
41
31
11
14
14
11
16
15
10
10
7

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)

12
12
12
12
12
12
13
14
14
13
12
12
12
12
12
13
14
14
14
14
13
13
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
83
85
89
91
93
96
94
93
93
93
93
94
93
91
93
91
89
89
89
89
89
86

Pressure (mb)

999
999
998
998
998
998
998
999
999
999
999
999
999
999
999
999
999
999
999
999
999
1000
1000
1000

Ozone (du)

377
376
375
374
374
373
373
374
374
376
377
378
380
380
382
384
385
385
384
384
385
387
388
387

Sunday 25

Waxing Crescent 45%

10:12

01:14

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
09 Bad
10 Bad

Sun - Rise: 07:51, Set: 16:32, Transit: 12:12. Moon - Rise: 10:12, 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)

100
99
99
98
97
96
95
97
99
100
97
96
94
95
97
98
99
98
97
97
98
98
98
98

Low Clouds (% Sky Obscured)

62
66
71
75
79
84
88
91
94
97
94
90
87
87
86
87
87
89
90
88
87
85
89
92

Medium Clouds (% Sky Obscured)

35
40
39
44
47
41
31
24
24
30
38
45
53
45
36
27
23
22
25
28
44
51
59
59

High Clouds (% Sky Obscured)

35
26
17
9
6
3
0
1
3
4
6
11
14
9
5
0
3
6
11
16
34
60
58
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
2
5
7
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 (%)

2
12
14
9
22
25
25
37
42
44
41
40
40
39
35
25
29
30
26
24
22
18
23
26

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)

14
15
14
14
14
13
12
11
10
9
8
7
7
6
6
6
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
82
82
80
79
77
76
76
77
77
79
80
82
86
91
96
91
86
83
83
82
83
77

Pressure (mb)

1001
1001
1001
1001
1001
1002
1002
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1004

Ozone (du)

386
386
384
383
381
381
381
381
380
378
377
382
388
394
390
386
382
382
382
382
384
386
388
388

Monday 26

First Quarter 57%

10:33

02:45

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: 07:50, Set: 16:33, Transit: 12:12. Moon - Rise: 10:33, Set: 02:45. Civil Dark: 17:12 - 07:11. Nautical Dark: 17:54 - 06:29. Astro Dark: 18:35 - 05:49

Total Clouds (% Sky Obscured)

98
99
99
100
100
100
100
87
74
61
68
78
87
89
91
92
92
92
93

Low Clouds (% Sky Obscured)

96
97
98
100
100
99
99
87
74
61
63
64
67
69
71
73
75
77
79

Medium Clouds (% Sky Obscured)

59
61
66
70
65
55
45
38
31
26
22
20
18
27
29
27
23
37
37

High Clouds (% Sky Obscured)

53
39
28
12
8
4
1
1
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
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
27
27
27
27
25
23
21
19
11
16
17
13
17
16
9
18
21
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
67
67
67
68
72
74
78
78
78
80
81
84
88
86
86
86
86
84

Pressure (mb)

1004
1004
1004
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1001

Ozone (du)

389
390
391
392
394
394
394
394
397
400
403
405
408
410
414
418
421
425
428

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

Generated: 20/01/26 11:27:05. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+0.00