Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Full Moon 100%

16:47

07:30

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 OK
10 OK
11 Good
12 Good

Sun - Rise: 06:55, Set: 16:59, Transit: 11:58. Moon - Rise: 16:47, Set: 07:30. Civil Dark: 17:29 - 06:26. Nautical Dark: 18:02 - 05:52. Astro Dark: 18:35 - 05:19

Total Clouds (% Sky Obscured)

77
85
88
91
100
65
48
86
62
48
64
79
100
100
100
100
100
100
100
61
48
39
12
8

Low Clouds (% Sky Obscured)

25
20
25
20
15
4
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

77
85
88
77
68
22
34
86
62
48
45
70
100
70
92
100
100
92
57
17
2
3
5
3

High Clouds (% Sky Obscured)

77
85
87
75
97
51
28
55
62
48
60
54
94
100
76
35
75
44
38
30
34
23
2
2

ISS Passover

Visibility (miles)

4
6
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 (%)

9
6
6
1
0
3
0
1
0
0
0
0
0
0
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)

16
15
13
12
15
13
12
11
11
11
11
10
9
9
8
8
7
7
7
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-14
-13
-12
-12
-11
-11
-12
-12
-13
-14
-15
-15
-15
-16
-16
-16
-16
-16
-15
-15
-13
-12
-10
-6

Dew Point (°C)

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

Relative Humidity (%)

83
82
82
82
82
85
84
83
83
83
83
81
81
80
78
80
81
83
83
81
80
79
79
78

Pressure (mb)

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

Ozone (du)

426
420
423
425
430
434
433
440
443
445
448
448
448
452
453
452
454
455
455
456
461
465
468
470

Monday 2

Waning Gibbous 98%

18:03

07:54

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

Sun - Rise: 06:54, Set: 17:00, Transit: 11:58. Moon - Rise: 18:03, Set: 07:54. Civil Dark: 17:30 - 06:25. Nautical Dark: 18:03 - 05:51. Astro Dark: 18:36 - 05:18

Total Clouds (% Sky Obscured)

6
4
5
5
5
4
23
4
5
3
3
3
5
28
50
51
37
75
52
19
37
37
33
34

Low Clouds (% Sky Obscured)

0
0
1
1
1
1
5
1
2
1
1
1
1
1
1
1
2
2
1
1
1
1
0
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
43
50
30
75
52
13
24
25
26
25

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
2
18
36
3
2
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
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
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

-3
-2
-2
-2
-3
-4
-5
-5
-6
-7
-7
-8
-8
-8
-8
-8
-9
-9
-9
-8
-7
-5
-4
-2

Feels Like (°C)

-6
-4
-4
-4
-5
-7
-7
-8
-8
-9
-10
-11
-11
-11
-12
-11
-11
-11
-13
-12
-8
-6
-5
-3

Dew Point (°C)

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

Relative Humidity (%)

78
78
79
81
82
85
89
89
87
85
87
85
85
85
83
83
85
83
83
82
80
81
78
76

Pressure (mb)

1012
1012
1012
1013
1013
1014
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

469
470
471
469
466
467
462
446
421
420
420
416
415
417
410
413
410
405
404
404
403
398
399
395

Tuesday 3

Waning Gibbous 93%

19:15

08:15

13 Good
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 OK
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

Sun - Rise: 06:53, Set: 17:02, Transit: 11:58. Moon - Rise: 19:15, Set: 08:15. Civil Dark: 17:31 - 06:24. Nautical Dark: 18:04 - 05:50. Astro Dark: 18:37 - 05:17

Total Clouds (% Sky Obscured)

17
19
43
65
66
52
34
45
82
99
100
100
100
95
89
72
82
85
84
85
92
93
67
71

Low Clouds (% Sky Obscured)

3
3
3
2
3
2
2
4
24
32
34
29
29
38
39
26
39
49
56
65
74
75
67
68

Medium Clouds (% Sky Obscured)

8
11
36
61
66
52
34
45
9
78
100
100
88
90
85
49
15
16
19
16
16
11
11
10

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
14
67
47
7
27
4
5
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
5
4
5
5
5
4
4
4
4
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
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
3
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-2
-3
-5
-7
-8
-9
-9
-9
-10
-10
-9
-10
-9
-9
-9
-10
-11
-9
-8
-6
-6
-5

Dew Point (°C)

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

Relative Humidity (%)

79
81
84
89
92
92
92
92
92
92
94
94
92
94
94
94
94
92
92
89
90
87
84
78

Pressure (mb)

1019
1019
1019
1019
1019
1020
1020
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1017

Ozone (du)

391
385
385
388
390
389
386
385
381
384
383
382
384
384
386
387
386
382
382
377
376
376
383
385

Wednesday 4

Waning Gibbous 87%

20:24

08:35

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

Sun - Rise: 06:52, Set: 17:03, Transit: 11:58. Moon - Rise: 20:24, Set: 08:35. Civil Dark: 17:32 - 06:23. Nautical Dark: 18:06 - 05:49. Astro Dark: 18:38 - 05:16

Total Clouds (% Sky Obscured)

48
50
80
70
78
84
61
33
6
4
5
4
5
5
5
4
6
5
6
20
15
15
13
10

Low Clouds (% Sky Obscured)

48
50
80
62
47
31
22
14
5
4
5
3
5
4
4
4
6
4
3
13
15
15
9
10

Medium Clouds (% Sky Obscured)

15
16
22
23
41
47
28
14
0
0
0
0
0
0
0
0
0
0
4
20
15
15
13
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
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
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
11
12
30
40
40
31
19
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2

Precipitation Amount (mm)

0
0
0
0
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-2
-3
-4
-5
-6
-7
-8
-8
-9
-9
-10
-10
-11
-11
-11
-9
-7
-6
-5
-4

Feels Like (°C)

-5
-4
-4
-5
-5
-7
-7
-8
-9
-10
-10
-11
-12
-12
-12
-13
-13
-14
-14
-12
-12
-10
-9
-9

Dew Point (°C)

-4
-4
-4
-4
-5
-6
-7
-7
-8
-9
-10
-10
-11
-11
-11
-12
-13
-13
-13
-11
-10
-8
-8
-7

Relative Humidity (%)

80
78
80
80
81
81
79
82
84
85
85
85
85
87
87
85
85
85
85
85
82
82
81
79

Pressure (mb)

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

Ozone (du)

385
386
388
393
397
399
406
419
426
426
429
430
423
427
417
400
405
416
434
448
463
454
443
441

Thursday 5

Waning Gibbous 79%

21:30

08:55

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

Sun - Rise: 06:51, Set: 17:04, Transit: 11:58. Moon - Rise: 21:30, Set: 08:55. Civil Dark: 17:34 - 06:21. Nautical Dark: 18:07 - 05:48. Astro Dark: 18:40 - 05:15

Total Clouds (% Sky Obscured)

15
10
20
5
3
5
25
8
2
4
8
9
9
10
15
26
37
50
63
81
94
95
90
85

Low Clouds (% Sky Obscured)

10
10
5
1
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
7
15
22
37
56
71
81
90
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
5
7
6
5
4
35
67
94
95
90
85

ISS Passover

Visibility (miles)

5
2
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6

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 (%)

15
15
11
1
0
0
0
0
0
0
0
0
0
0
0
1
0
2
1
0
0
3
8
8

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

Chance of Frost

Temperature (°C)

-3
-3
-2
-3
-4
-6
-7
-8
-8
-8
-8
-9
-10
-12
-12
-13
-12
-11
-11
-9
-8
-7
-5
-4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
78
75
76
80
82
85
87
83
80
81
81
83
83
84
83
85
85
85
85
84
84
84

Pressure (mb)

1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1011
1010
1010
1008
1007

Ozone (du)

438
440
442
442
439
438
437
433
426
420
419
418
417
417
416
416
415
414
413
412
410
409
412
416

Friday 6

Waning Gibbous 70%

22:36

09:15

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 OK
07 OK
08 OK
09 OK
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:49, Set: 17:06, Transit: 11:58. Moon - Rise: 22:36, Set: 09:15. Civil Dark: 17:35 - 06:20. Nautical Dark: 18:08 - 05:47. Astro Dark: 18:41 - 05:14

Total Clouds (% Sky Obscured)

70
65
55
58
69
77
86
93
100
99
98
97
91
83
75
56
37
16
22
32
42
57
72
87

Low Clouds (% Sky Obscured)

0
0
5
0
0
0
23
45
68
71
75
78
69
60
53
43
31
15
20
29
38
56
71
87

Medium Clouds (% Sky Obscured)

70
65
55
58
65
71
79
89
98
97
98
97
69
35
4
0
0
0
1
2
3
3
2
2

High Clouds (% Sky Obscured)

55
0
0
7
15
22
44
66
88
58
29
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
3
2
0
3
6
9
7
5
2
5
7
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
30
38
44
42
38
29
19
3
16
23
27
28
28
30
28
18
6
7
4
0
5
5
2

Precipitation Amount (mm)

0
0
0.1
0.2
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
10
9
8
7
7
7
8
8
9
10
11
12
13
14
15
16
17
18
19
19
20

Chance of Frost

Temperature (°C)

-2
-2
-1
-1
-2
-2
-2
-3
-3
-3
-4
-6
-7
-8
-9
-10
-9
-9
-10
-10
-11
-12
-13
-13

Feels Like (°C)

-15
-8
-7
-8
-8
-8
-8
-8
-8
-7
-7
-6
-6
-13
-13
-14
-13
-12
-13
-17
-19
-20
-21
-21

Dew Point (°C)

-4
-3
-2
-2
-2
-3
-3
-4
-4
-4
-6
-8
-11
-11
-12
-13
-13
-13
-14
-14
-15
-16
-17
-16

Relative Humidity (%)

84
89
92
96
94
92
92
91
91
91
87
82
77
78
77
75
75
74
72
72
73
73
73
75

Pressure (mb)

1005
1005
1004
1003
1003
1002
1002
1002
1001
1001
1001
1001
1001
1001
1002
1002
1003
1003
1004
1005
1005
1006
1006
1006

Ozone (du)

419
419
419
419
418
417
416
420
424
428
431
434
437
442
447
451
457
463
469
474
480
486
488
490

Saturday 7

Waning Gibbous 61%

23:41

09:38

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 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 06:48, Set: 17:07, Transit: 11:58. Moon - Rise: 23:41, Set: 09:38. Civil Dark: 17:36 - 06:19. Nautical Dark: 18:09 - 05:46. Astro Dark: 18:42 - 05:13

Total Clouds (% Sky Obscured)

90
97
100
100
100
100
96
93
90
68
46
28
25
17
14
8
7
6

Low Clouds (% Sky Obscured)

90
97
100
100
99
99
95
86
82
59
40
23
17
11
5
8
7
6

Medium Clouds (% Sky Obscured)

20
39
58
67
77
86
67
49
30
22
18
6
4
3
2
1
0
0

High Clouds (% Sky Obscured)

0
0
0
5
10
15
20
26
31
23
11
0
12
13
14
7
5
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

2
1
0
1
1
0
1
0
0
2
1
0
0
0
0
0
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-21
-21
-21
-21
-22
-21
-23
-23
-23
-24
-24
-23
-24
-23
-23
-23
-23

Dew Point (°C)

-16
-16
-17
-17
-18
-19
-19
-19
-19
-20
-20
-20
-20
-20
-20
-20
-20
-20

Relative Humidity (%)

75
74
73
72
71
70
71
70
69
69
69
69
69
68
69
69
69
69

Pressure (mb)

1007
1007
1007
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

493
494
495
497
505
513
522
522
523
524
518
513
507
510
513
516
515
514

Forecast for Brookline, Norfolk, United States of America (42.33,-71.12)

Generated: 01/02/26 13:16:13. Forecast: 01/02/26 to 07/02/26. Timezone: UTC-5.00