Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 2

Waxing Gibbous 100%

14:14

08:53

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

Sun - Rise: 08:12, Set: 15:55, Transit: 12:04. Moon - Rise: 14:14, Set: 08:53. Civil Dark: 16:37 - 07:31. Nautical Dark: 17:21 - 06:46. Astro Dark: 18:03 - 06:04

Total Clouds (% Sky Obscured)

0
0
0
42
11
26
23
5
7
4
4
21
5
5
1
1
0
0
0
1
1
10
10
5

Low Clouds (% Sky Obscured)

8
1
47
33
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
3
0
2
11
26
0
0
4
3
0
2
5
0
0
0
0
0
0
0
0
3
10
5

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
6
9

Fog (%)

-
-
-
-
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
7
12
23
1
0
0
1
1
1
1
2
0
0
0
0
1
5
18
28
27

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
54
56
57
68
73
75
77
78
78
74
77
77
70
68
64
61
58
57
58
57
56
58
61

Pressure (mb)

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

Ozone (du)

373
369
365
357
342
333
323
319
324
330
333
331
331
339
348
357
364
364
365
365
369
374
374
373

Saturday 3

Full Moon 99%

15:36

09:28

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

Sun - Rise: 08:12, Set: 15:57, Transit: 12:04. Moon - Rise: 15:36, Set: 09:28. Civil Dark: 16:38 - 07:30. Nautical Dark: 17:23 - 06:46. Astro Dark: 18:04 - 06:04

Total Clouds (% Sky Obscured)

5
5
14
44
19
18
22
34
24
26
3
17
3
2
4
23
1
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
5
29
19
18
22
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

5
5
14
44
3
0
0
0
3
26
3
0
0
0
0
0
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)

1
9
8
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 (%)

27
23
8
3
1
2
5
8
6
2
2
2
1
1
3
2
1
1
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)

21
17
16
17
16
15
14
15
17
16
16
16
16
15
15
15
15
15
14
14
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-4
-4
-6
-7
-8
-8
-6
-6
-7
-8
-8
-9
-9
-9
-9
-9
-9
-10
-9
-9
-9
-9
-9

Relative Humidity (%)

83
69
70
58
56
55
57
68
68
62
61
60
59
59
58
57
56
57
56
58
58
57
54
51

Pressure (mb)

1008
1008
1009
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013

Ozone (du)

372
366
362
362
365
369
371
373
370
368
366
364
360
357
357
354
361
359
359
354
356
360
364
363

Sunday 4

Waning Gibbous 96%

17:09

09:51

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

Sun - Rise: 08:11, Set: 15:58, Transit: 12:05. Moon - Rise: 17:09, Set: 09:51. Civil Dark: 16:39 - 07:30. Nautical Dark: 17:24 - 06:46. Astro Dark: 18:05 - 06:04

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
18
35
30
4
3
2
2
1
3
23
30
35
25
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
17
10
1
1
1
1
1
2
17
25
2
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
18
35
30
0
0
0
0
0
3
23
30
35
25
30

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
1
2
1
0
1
1
1
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
12
11
9
8
8
8
8
8
8
8
9
9
8
8
8
8
8
8
8
7
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
51
50
50
55
59
62
63
69
73
76
75
81
87
89
82
81
82
84
82
76
68
60
52

Pressure (mb)

1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1012
1012
1012
1013
1013
1013

Ozone (du)

361
362
368
370
372
377
384
389
385
383
382
388
397
397
396
400
397
394
389
385
388
386
385
390

Monday 5

Waning Gibbous 91%

18:41

10:07

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

Sun - Rise: 08:11, Set: 15:59, Transit: 12:05. Moon - Rise: 18:41, Set: 10:07. Civil Dark: 16:40 - 07:30. Nautical Dark: 17:25 - 06:45. Astro Dark: 18:07 - 06:04

Total Clouds (% Sky Obscured)

30
20
2
0
0
0
0
1
4
31
48
45
7
7
9
39
45
45
51
54
50
34
41
50

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
12
3
2
1
2
1
1
1
4
4
0
3
0
0
0

Medium Clouds (% Sky Obscured)

30
20
2
0
0
0
0
0
3
3
48
45
0
0
3
39
45
45
51
54
17
23
39
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
5
8
5
2
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
1
2
3
5
3
2
2
2
2
11
13
15
10
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-9
-9
-9
-9
-9
-9
-9
-6
-4
-3
-4
-5
-5
-5
-6
-6
-5
-5
-5
-6
-6
-6
-6

Relative Humidity (%)

48
48
47
51
58
62
64
64
82
96
92
86
77
78
86
84
82
86
87
86
84
85
79
70

Pressure (mb)

1013
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

391
390
393
395
393
395
397
398
397
396
392
390
388
389
390
390
391
387
386
390
390
390
390
390

Tuesday 6

Waning Gibbous 83%

20:08

10:19

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
11 Bad

Sun - Rise: 08:10, Set: 16:00, Transit: 12:06. Moon - Rise: 20:08, Set: 10:19. Civil Dark: 16:42 - 07:29. Nautical Dark: 17:26 - 06:45. Astro Dark: 18:08 - 06:03

Total Clouds (% Sky Obscured)

50
60
55
65
70
82
90
100
100
99
69
61
63
68
64
58
84
84
94
90
88
97
97
97

Low Clouds (% Sky Obscured)

31
60
55
65
70
82
90
94
85
78
69
61
63
68
64
58
77
74
66
60
54
52
51
49

Medium Clouds (% Sky Obscured)

50
59
55
59
60
73
81
100
100
98
35
30
33
40
39
41
43
41
35
30
30
42
50
57

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
1
2
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
Snow
Snow
Snow
None
None
None
Snow
None
None
None
Snow
None
None
None
Snow
None
Snow
None
None
None
None

Precipitation Probability (%)

13
25
36
55
61
60
54
48
36
51
51
31
42
40
33
32
33
36
46
41
22
26
24
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
8
9
9
9
9
8
8
7
7
6
6
6
7
7
7
7
6
12
12
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
66
71
75
83
83
84
84
82
79
76
74
74
74
75
77
87
98
91
92
91
91
77
66

Pressure (mb)

1015
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1013
1013
1014
1014
1014

Ozone (du)

389
391
398
399
398
397
397
397
399
400
402
401
398
397
390
388
386
388
389
389
389
389
389
388

Wednesday 7

Waning Gibbous 74%

21:30

10:28

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
11 Bad

Sun - Rise: 08:10, Set: 16:02, Transit: 12:06. Moon - Rise: 21:30, Set: 10:28. Civil Dark: 16:43 - 07:29. Nautical Dark: 17:27 - 06:45. Astro Dark: 18:09 - 06:03

Total Clouds (% Sky Obscured)

97
93
92
88
72
56
67
80
96
97
99
99
97
97
97
95
92
91
95
97
98
95
90
84

Low Clouds (% Sky Obscured)

41
33
23
23
22
21
27
30
35
42
51
60
55
47
28
40
59
80
77
74
75
76
75
70

Medium Clouds (% Sky Obscured)

51
45
49
53
53
39
26
22
18
39
65
86
80
76
73
72
75
74
74
75
75
67
59
47

High Clouds (% Sky Obscured)

2
2
1
1
1
2
9
21
35
40
45
45
45
45
45
45
40
40
40
35
30
30
35
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
0

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
Snow
Snow
Snow
Very Light Rain

Precipitation Probability (%)

16
12
7
10
7
4
7
7
5
10
11
10
16
18
20
15
11
6
21
32
41
60
67
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
61
66
73
75
78
81
83
83
83
83
81
80
81
83
84
83
83
81
86
92
96
98
98

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012

Ozone (du)

388
387
387
386
382
378
374
371
369
366
369
371
373
361
349
337
333
330
327
328
329
329
329
328

Thursday 8

Waning Gibbous 64%

22:48

10:37

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
11 Bad

Sun - Rise: 08:09, Set: 16:03, Transit: 12:06. Moon - Rise: 22:48, Set: 10:37. Civil Dark: 16:44 - 07:28. Nautical Dark: 17:28 - 06:44. Astro Dark: 18:10 - 06:03

Total Clouds (% Sky Obscured)

74
58
44
41
47
53
55
56
59
64
66
69
78
90
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
32
11
19
28
37
39
41
42
30
17
5
5
5
5
19
43
61
84
93
99
100
100
100

Medium Clouds (% Sky Obscured)

41
43
44
41
47
53
55
56
59
63
66
69
78
90
100
100
100
100
99
98
96
98
99
100

High Clouds (% Sky Obscured)

25
25
25
25
30
25
25
35
35
45
45
45
45
46
41
44
40
39
44
46
51
67
84
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

48
40
28
42
59
73
73
77
79
86
92
88
71
51
19
39
50
49
53
59
58
91
95
95

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0.5
0.5
0.4
0.5
0.6
0.5
0.3
0
0
0
0.2
0
0
0.2
0
0.6
0.9
0.8

Wind Speed/Direction (mph)

11
11
11
10
9
9
7
7
6
7
7
8
9
8
7
6
8
11
13
14
14
14
17
20

Chance of Frost

Temperature (°C)

1
2
2
2
2
2
2
1
1
1
1
1
2
1
2
2
3
4
6
6
6
7
7
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
94
96
96
96
96
98
96
96
94
94
94
98
98
96
93
91
91
91
91
91
88

Pressure (mb)

1012
1011
1011
1010
1010
1010
1009
1009
1008
1008
1007
1007
1006
1005
1005
1005
1004
1003
1002
1002
1001
1000
998
996

Ozone (du)

328
327
327
326
326
327
327
325
323
322
320
318
316
317
319
321
322
323
324
323
323
323
322
321

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

Generated: 02/01/26 16:09:28. Forecast: 02/01/26 to 08/01/26. Timezone: UTC+0.00