Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 26

Waxing Gibbous 59%

10:38

01:59

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

Sun - Rise: 07:01, Set: 16:51, Transit: 11:57. Moon - Rise: 10:38, Set: 01:59. Civil Dark: 17:21 - 06:31. Nautical Dark: 17:55 - 05:57. Astro Dark: 18:28 - 05:24

Total Clouds (% Sky Obscured)

99
100
99
100
99
98
98
100
100
100
100
99
94
88
66
58
13
3
4
2
2
2
6
18

Low Clouds (% Sky Obscured)

93
94
91
93
96
93
93
99
100
100
96
95
73
67
64
34
7
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

73
35
34
100
97
89
93
96
52
45
45
44
49
27
0
0
0
0
0
0
0
0
2
15

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)

0
0
0
0
0
0
0
0
0
0
0
0
9
7
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Type

None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
64
73
74
68
70
78
84
94
62
19
6
5
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-14
-14
-14
-13
-12
-12
-12
-13
-13
-13
-13
-13
-13
-14
-16
-16
-17
-18
-18
-17
-17
-17
-17
-16

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
92
92
94
92
94
92
92
92
92
85
85
80
80
78
73
75
76
76
76
76
75

Pressure (mb)

1008
1008
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1008
1009
1011
1012
1013
1014
1015
1016
1017

Ozone (du)

293
296
302
306
309
313
317
321
324
328
338
345
350
354
356
355
357
352
349
348
349
360
371
372

Tuesday 27

Waxing Gibbous 70%

11:14

03:17

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

Sun - Rise: 07:00, Set: 16:53, Transit: 11:57. Moon - Rise: 11:14, Set: 03:17. Civil Dark: 17:22 - 06:30. Nautical Dark: 17:56 - 05:57. Astro Dark: 18:29 - 05:24

Total Clouds (% Sky Obscured)

56
61
66
100
100
100
99
90
91
87
60
9
12
10
25
22
26
7
3
3
3
3
3
3

Low Clouds (% Sky Obscured)

0
0
1
4
4
10
49
72
81
65
42
1
2
1
1
4
2
3
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

56
61
66
100
100
100
99
84
83
70
14
3
4
4
9
10
17
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
35
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
1
0
8
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
3
3
16
16
4
2
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)

11
11
11
11
10
10
9
9
8
10
12
13
11
10
10
9
9
9
10
10
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
79
79
77
80
80
80
87
88
83
81
81
83
85
85
83
83
81
81
81
83
83
81

Pressure (mb)

1017
1017
1016
1015
1014
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1017
1018
1018

Ozone (du)

373
379
376
374
374
375
375
380
380
377
380
389
404
417
419
419
417
421
427
426
422
416
413
414

Wednesday 28

Waxing Gibbous 81%

12:00

04:30

10 Good
11 Good
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 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 06:59, Set: 16:54, Transit: 11:57. Moon - Rise: 12:00, Set: 04:30. Civil Dark: 17:24 - 06:30. Nautical Dark: 17:57 - 05:56. Astro Dark: 18:31 - 05:23

Total Clouds (% Sky Obscured)

4
5
28
55
61
77
100
100
100
100
96
100
100
85
75
51
53
13
7
6
7
9
11
14

Low Clouds (% Sky Obscured)

2
2
3
4
24
37
31
31
17
21
35
40
38
45
31
35
44
9
3
2
2
2
2
2

Medium Clouds (% Sky Obscured)

0
0
28
55
61
73
100
100
100
100
96
100
100
85
75
40
41
3
0
0
0
1
5
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
5
5
5
4
6
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
7
9
9
9
6
8
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
3
1
1
1
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)

10
11
11
11
9
8
7
5
5
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
78
77
76
76
77
79
83
85
85
83
85
85
86
88
86
85
81
81
83
83
83
83
81

Pressure (mb)

1018
1018
1017
1017
1016
1016
1016
1016
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015

Ozone (du)

413
406
405
424
455
476
483
487
488
491
490
485
484
480
480
479
480
476
481
486
489
487
485
491

Thursday 29

Waxing Gibbous 89%

12:59

05:32

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

Sun - Rise: 06:58, Set: 16:55, Transit: 11:57. Moon - Rise: 12:59, Set: 05:32. Civil Dark: 17:25 - 06:29. Nautical Dark: 17:59 - 05:55. Astro Dark: 18:32 - 05:22

Total Clouds (% Sky Obscured)

24
33
37
86
85
75
73
65
55
38
20
2
2
10
4
5
4
5
4
2
2
2
1
1

Low Clouds (% Sky Obscured)

2
2
2
40
53
69
69
65
50
33
18
2
2
10
4
5
3
3
4
2
1
1
1
1

Medium Clouds (% Sky Obscured)

9
12
11
11
6
0
0
0
0
0
3
2
2
4
4
1
0
0
0
0
0
0
0
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
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
1
17
7
12
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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)

7
7
7
8
9
10
9
8
9
10
9
9
9
9
9
10
10
10
10
10
11
11
11
12

Chance of Frost

Temperature (°C)

-10
-9
-8
-7
-7
-7
-7
-9
-10
-10
-11
-12
-13
-14
-14
-14
-14
-15
-15
-15
-16
-16
-16
-15

Feels Like (°C)

-14
-12
-11
-10
-12
-12
-12
-13
-14
-14
-15
-16
-17
-17
-18
-18
-18
-19
-19
-20
-20
-20
-20
-20

Dew Point (°C)

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

Relative Humidity (%)

78
78
74
70
71
74
77
80
83
80
81
86
86
86
84
83
81
78
81
81
81
81
80
77

Pressure (mb)

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

Ozone (du)

495
501
503
500
500
491
481
479
475
479
481
478
471
468
469
470
478
481
493
500
507
506
508
502

Friday 30

Waxing Gibbous 96%

14:10

06:22

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

Sun - Rise: 06:57, Set: 16:56, Transit: 11:57. Moon - Rise: 14:10, Set: 06:22. Civil Dark: 17:26 - 06:28. Nautical Dark: 18:00 - 05:54. Astro Dark: 18:33 - 05:21

Total Clouds (% Sky Obscured)

2
2
10
18
17
29
26
24
24
10
9
6
4
18
14
16
15
13
10
8
6
8
8
10

Low Clouds (% Sky Obscured)

2
2
10
12
14
11
9
2
0
0
1
0
0
1
2
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
1
3
4
2
1
0
0
2
2
0
4
1
13
10
9
5
1
0
3
1
2

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
5
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 (%)

1
1
0
13
2
4
1
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-16
-14
-14
-14
-14
-14
-14
-15
-15
-16
-16
-17
-17
-17
-18
-18
-18
-19
-18
-18
-18
-16
-15

Relative Humidity (%)

76
76
76
77
77
77
75
76
78
81
81
83
82
82
82
82
81
81
80
81
81
81
81
79

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1021

Ozone (du)

489
478
466
459
453
450
455
454
453
453
454
455
453
453
449
446
446
445
445
445
445
444
447
449

Saturday 31

Waxing Gibbous 99%

15:28

07:00

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

Sun - Rise: 06:56, Set: 16:58, Transit: 11:58. Moon - Rise: 15:28, Set: 07:00. Civil Dark: 17:27 - 06:27. Nautical Dark: 18:01 - 05:53. Astro Dark: 18:34 - 05:20

Total Clouds (% Sky Obscured)

8
8
5
21
35
43
31
25
11
14
12
14
21
27
37
56
65
66
79
89
99
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
4
0
0
0
0
0
0
0
0
0
33
65
66
79
86
92
90
92
90

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
1
3
4
9
8
9
7
9
12
38
65
92

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
65
66
79
88
73
82
89
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
8
8
7
7
6
5
3
2
1
0
0
0
0
1
1

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
2
4
4
9
15
15
14
18
23

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
6
5
5
4
4
5
5
6
6
6
6
6
6
6
7
8
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-18
-17
-17
-16
-8
-8
-8
-7
-6
-5
-11
-11
-11
-12
-12
-12
-17
-16
-17
-17
-16
-17
-12
-12

Dew Point (°C)

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

Relative Humidity (%)

80
80
82
80
82
84
84
85
85
87
87
87
88
88
90
92
92
94
96
94
96
94
90
89

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1022
1023
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024

Ozone (du)

451
453
456
458
460
461
463
463
463
463
460
456
452
448
443
438
435
432
429
426
422
419
416
414

Sunday 1

Full Moon 100%

16:47

07:30

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

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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
98
100
100
100
100
100
100
100
100
97
97
92
87
85
85
85
80
80
80
80

Medium Clouds (% Sky Obscured)

94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98

ISS Passover

Visibility (miles)

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

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
Snow
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

19
17
21
24
28
34
32
29
33
40
43
47
54
56
59
63
68
69
69
68
65

Precipitation Amount (mm)

0
0
0
0
0
0.1
0
0
0
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.3

Wind Speed/Direction (mph)

13
14
16
18
18
19
19
20
21
23
23
23
24
24
24
24
23
23
23
22
21

Chance of Frost

Temperature (°C)

-3
-2
-2
-2
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-3
-3
-4
-4
-4
-5
-5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
89
89
91
94
96
92
87
86
86
87
91
91
92
94
91
90
89
89
89

Pressure (mb)

1024
1022
1021
1020
1019
1018
1018
1017
1016
1015
1014
1013
1012
1011
1010
1009
1009
1009
1008
1009
1009

Ozone (du)

411
409
406
404
403
403
402
401
401
400
404
408
411
418
425
432
439
446
454
446
439

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

Generated: 26/01/26 10:37:26. Forecast: 26/01/26 to 01/02/26. Timezone: UTC-5.00