Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 27

Waxing Gibbous 67%

11:58

03:18

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

Sun - Rise: 07:01, Set: 16:53, Transit: 11:57. Moon - Rise: 11:58, Set: 03:18. Civil Dark: 17:23 - 06:31. Nautical Dark: 17:57 - 05:57. Astro Dark: 18:30 - 05:24

Total Clouds (% Sky Obscured)

97
99
79
13
11
10
5
2
1
2
2
1
1
1
1
1
10
47
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
5
63
68
27
3

Medium Clouds (% Sky Obscured)

63
7
15
13
11
7
2
0
0
0
0
0
0
0
0
0
1
33
67
95
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
11
48
100
86
62
60
70

ISS Passover

Visibility (miles)

4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

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)

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

Chance of Frost

Temperature (°C)

-9
-11
-12
-14
-15
-16
-16
-17
-17
-17
-17
-17
-17
-13
-10
-8
-7
-7
-6
-6
-7
-10
-11
-11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
76
81
83
82
82
82
82
80
80
78
79
80
78
73
71
68
67
66
70
83
87
88
88

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016
1017
1018
1018
1018
1017
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

409
405
403
403
406
410
410
411
414
414
415
414
412
408
419
435
451
463
476
479
477
476
475
467

Wednesday 28

Waxing Gibbous 81%

12:57

04:31

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

Sun - Rise: 07:00, Set: 16:54, Transit: 11:57. Moon - Rise: 12:57, Set: 04:31. Civil Dark: 17:24 - 06:30. Nautical Dark: 17:58 - 05:56. Astro Dark: 18:31 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
85
85
78
52
41
40
40
39
40
22
13
23
62
68
81
87
81
48
47
29

Low Clouds (% Sky Obscured)

2
5
0
5
5
63
55
22
5
8
8
6
8
5
2
23
44
36
72
83
78
44
41
26

Medium Clouds (% Sky Obscured)

100
100
100
100
82
74
72
52
41
40
40
39
40
21
6
5
3
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

75
75
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)

8
9
9
9
9
1
1
3
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
1
0
0
0
0
0
0
0
0
2
0
0
0
0
20
13
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)

3
3
3
3
3
3
3
4
4
4
5
5
6
6
9
10
10
10
9
9
9
8
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-16
-16
-16
-17
-18
-18
-20
-20
-21
-22
-22
-22
-18
-15
-13
-11
-12
-12
-11
-12
-14
-14
-15

Dew Point (°C)

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

Relative Humidity (%)

90
86
86
86
88
88
90
90
87
86
83
83
82
79
73
71
70
67
71
74
76
77
81
83

Pressure (mb)

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

Ozone (du)

463
469
469
466
472
481
480
483
486
492
495
487
481
481
478
475
474
474
475
481
488
491
488
489

Thursday 29

Waxing Gibbous 89%

14:08

05:34

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

Sun - Rise: 06:59, Set: 16:56, Transit: 11:57. Moon - Rise: 14:08, Set: 05:34. Civil Dark: 17:26 - 06:29. Nautical Dark: 17:59 - 05:55. Astro Dark: 18:33 - 05:22

Total Clouds (% Sky Obscured)

2
2
3
3
6
4
2
2
4
2
2
0
0
0
4
4
49
55
55
45
46
5
5
4

Low Clouds (% Sky Obscured)

2
2
3
2
3
2
2
2
3
2
1
0
0
0
1
1
13
20
15
10
8
0
0
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-16
-17
-17
-18
-19
-20
-21
-21
-22
-22
-23
-23
-21
-19
-17
-16
-16
-16
-16
-16
-18
-18
-18

Dew Point (°C)

-15
-16
-16
-17
-18
-18
-19
-20
-20
-21
-21
-22
-22
-20
-19
-17
-16
-15
-15
-14
-15
-16
-17
-18

Relative Humidity (%)

83
83
84
84
83
83
81
79
79
79
78
73
73
75
70
68
69
70
73
76
75
76
78
81

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1019
1019

Ozone (du)

487
482
481
474
467
466
464
463
464
461
446
428
414
405
404
405
406
407
411
417
420
419
418
408

Friday 30

Waxing Gibbous 96%

15:26

06:23

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

Sun - Rise: 06:58, Set: 16:57, Transit: 11:58. Moon - Rise: 15:26, Set: 06:23. Civil Dark: 17:27 - 06:28. Nautical Dark: 18:01 - 05:55. Astro Dark: 18:34 - 05:21

Total Clouds (% Sky Obscured)

4
2
2
3
2
3
4
5
4
5
10
5
5
7
6
5
22
25
15
15
8
1
2
2

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
4
4
4
4
5
5
4
4
4
3
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

-16
-17
-17
-18
-18
-19
-19
-20
-21
-21
-21
-22
-19
-15
-13
-11
-9
-8
-7
-7
-7
-10
-13
-14

Feels Like (°C)

-19
-19
-20
-20
-21
-21
-22
-22
-23
-24
-24
-25
-21
-18
-15
-13
-12
-11
-11
-11
-11
-14
-15
-17

Dew Point (°C)

-18
-19
-19
-20
-21
-22
-22
-23
-24
-24
-24
-25
-21
-18
-16
-14
-13
-11
-11
-11
-10
-12
-14
-16

Relative Humidity (%)

82
80
81
80
79
78
77
79
75
75
75
75
78
75
75
75
75
75
76
76
83
88
88
86

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1021
1021

Ozone (du)

404
403
401
396
394
394
394
395
393
389
386
387
391
399
403
402
398
400
403
407
407
403
406
408

Saturday 31

Waxing Gibbous 99%

16:46

07:01

20 Good
21 OK
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
19 Bad

Sun - Rise: 06:57, Set: 16:58, Transit: 11:58. Moon - Rise: 16:46, Set: 07:01. Civil Dark: 17:28 - 06:27. Nautical Dark: 18:02 - 05:54. Astro Dark: 18:35 - 05:21

Total Clouds (% Sky Obscured)

1
8
37
72
100
100
100
100
95
91
88
92
96
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
4
4
5
9
9
4
0
0
0
0

Medium Clouds (% Sky Obscured)

0
2
26
49
70
86
94
100
95
89
84
89
94
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
37
72
100
100
100
100
73
44
25
59
80
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Snow
None
Snow

Precipitation Probability (%)

0
0
2
1
1
2
2
5
13
6
15
22
23
23
28
32
33
33
31
24
45
48
46
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-14
-16
-16
-16
-16
-15
-14
-13
-13
-13
-13
-13
-12
-12
-11
-10
-8
-7
-7
-6
-6
-6
-7
-7

Feels Like (°C)

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

Dew Point (°C)

-16
-18
-18
-18
-17
-17
-15
-15
-15
-14
-15
-16
-15
-14
-13
-12
-11
-10
-10
-9
-9
-10
-11
-11

Relative Humidity (%)

84
84
84
84
86
86
86
83
84
86
83
81
81
83
83
83
83
83
80
79
77
74
73
70

Pressure (mb)

1020
1021
1020
1019
1019
1018
1017
1016
1016
1015
1014
1013
1013
1012
1011
1010
1008
1006
1005
1003
1002
1001
1001
1000

Ozone (du)

413
418
419
421
421
421
418
417
419
420
421
422
422
423
424
427
430
433
437
441
445
448
450
453

Sunday 1

Full Moon 100%

18:02

07:30

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

Sun - Rise: 06:56, Set: 17:00, Transit: 11:58. Moon - Rise: 18:02, Set: 07:30. Civil Dark: 17:29 - 06:26. Nautical Dark: 18:03 - 05:53. Astro Dark: 18:36 - 05:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
94
87
78
69
60
56
69
62
35
17
7
0
1
2
3
4

Low 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

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
94
87
78
40
25
8
3
3
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
99
97
96
96
95
95
68
47
27
46
60
56
69
62
35
17
7
0
0
0
0
0

ISS Passover

Visibility (miles)

2
2
2
5
7
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

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

Precipitation Probability (%)

60
52
45
35
18
13
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.1
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
13
13
13
14
14
14
14
14
14
14
15
15
15
15
15
14
13
13
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-13
-13
-14
-14
-15
-15
-16
-16
-15
-15
-16
-15
-14
-14
-13
-13
-7
-7
-7
-7
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

75
80
85
80
77
72
72
72
71
69
69
68
70
71
73
73
73
75
74
74
72
73
73
74

Pressure (mb)

1001
1001
1001
1001
1002
1002
1003
1003
1004
1005
1006
1007
1008
1009
1009
1010
1010
1010
1010
1011
1012
1013
1014
1014

Ozone (du)

455
456
458
456
454
452
453
454
456
458
460
462
462
463
463
463
462
462
460
458
456
448
440
432

Monday 2

Waning Gibbous 98%

19:15

07:55

20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 OK
07 Good
08 Good
09 Good
10 OK
11 Bad
12 Bad

Sun - Rise: 06:55, Set: 17:01, Transit: 11:58. Moon - Rise: 19:15, Set: 07:55. Civil Dark: 17:31 - 06:25. Nautical Dark: 18:04 - 05:52. Astro Dark: 18:37 - 05:19

Total Clouds (% Sky Obscured)

6
7
9
11
12
11
11
12
12
17
19
17
15
13
31
49
68

Low Clouds (% Sky Obscured)

0
0
1
2
3
4
5
6
7
6
4
6
8
9
25
42
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
5
11
14
7
3
2
3
4
5

High Clouds (% Sky Obscured)

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

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
12
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
9
8
8
7
7
7
8
8
7
7
8
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-10
-10
-10
-10
-11
-10
-10
-10
-9
-10
-10
-9
-9
-8
-8

Dew Point (°C)

-9
-9
-10
-9
-9
-9
-9
-9
-9
-9
-9
-9
-8
-7
-5
-5
-4

Relative Humidity (%)

76
77
79
80
80
82
82
80
82
82
82
82
80
81
81
79
80

Pressure (mb)

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

Ozone (du)

433
434
435
438
441
444
451
458
465
469
472
475
470
464
459
448
436

Forecast for Andover, Essex, United States of America (42.66,-71.14)

Generated: 27/01/26 20:08:33. Forecast: 27/01/26 to 02/02/26. Timezone: UTC-5.00