Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 13

Waning Crescent 26%

03:48

11:27

01 OK
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
20 Bad
21 Bad
22 Bad
23 Bad
00 OK

Sun - Rise: 08:06, Set: 16:11, Transit: 12:08. Moon - Rise: 03:48, Set: 11:27. Civil Dark: 16:51 - 07:26. Nautical Dark: 17:35 - 06:42. Astro Dark: 18:16 - 06:01

Total Clouds (% Sky Obscured)

17
40
63
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
66
45
23

Low Clouds (% Sky Obscured)

17
40
54
56
64
57
53
72
83
77
81
82
74
85
75
78
84
81
55
50
44
34
26
23

Medium Clouds (% Sky Obscured)

0
0
25
100
100
100
100
100
100
100
100
100
100
100
97
100
74
50
50
99
94
66
0
0

High Clouds (% Sky Obscured)

16
40
63
100
100
100
100
100
100
100
100
100
70
100
100
88
100
100
100
93
60
65
45
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
7
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
Very Light Rain
Light Rain
None
None
None
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
5
43
61
73
50
37
37
67
50
50
50
41
10
4
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
6
6
6
5
6
6
6
6
7
8
8
8
8
8
8
6
5
4
3
3
2
2
1

Relative Humidity (%)

87
90
94
96
94
96
94
96
94
95
95
95
91
91
93
93
87
88
82
85
86
86
89
91

Pressure (mb)

1003
1003
1004
1004
1004
1003
1004
1004
1004
1003
1003
1002
1002
1002
1002
1002
1003
1003
1004
1005
1006
1006
1007
1008

Ozone (du)

325
322
325
329
330
330
330
331
331
331
331
331
335
338
338
336
341
340
338
349
358
360
362
370

Wednesday 14

Waning Crescent 18%

05:02

11:51

01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
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

Sun - Rise: 08:05, Set: 16:12, Transit: 12:09. Moon - Rise: 05:02, Set: 11:51. Civil Dark: 16:52 - 07:25. Nautical Dark: 17:36 - 06:42. Astro Dark: 18:17 - 06:00

Total Clouds (% Sky Obscured)

24
23
20
23
25
26
28
76
74
62
67
93
99
100
100
100
100
100
100
100
95
100
88
98

Low Clouds (% Sky Obscured)

24
23
20
23
25
26
28
40
35
21
6
37
29
11
5
26
34
24
30
34
71
89
84
66

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
51
41
23
7
21
59
100
100
100
100
100
100
100
92
99
79
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
43
73
44
55
88
95
100
100
100
95
100
100
100
50
50
50
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
26
36
28
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
89
91
91
91
88
85
79
76
76
79
82
86
88
86
86
86
88
88
89
91

Pressure (mb)

1008
1009
1009
1010
1010
1011
1011
1012
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1007

Ozone (du)

366
360
357
354
347
333
324
315
313
313
310
308
308
309
313
312
313
317
317
319
320
320
319
321

Thursday 15

Waning Crescent 11%

06:11

12:27

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:04, Set: 16:14, Transit: 12:09. Moon - Rise: 06:11, Set: 12:27. Civil Dark: 16:54 - 07:24. Nautical Dark: 17:37 - 06:41. Astro Dark: 18:19 - 06:00

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
73
93
75
76
81
83
88
100
95
92
97
98
96
92
97
100
96
91
86
76
65
54
71

Medium Clouds (% Sky Obscured)

67
50
45
43
99
68
30
77
100
100
100
100
100
100
100
100
100
98
95
94
81
71
60
60

High Clouds (% Sky Obscured)

18
40
0
40
35
40
40
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
4
5
3
3
5
4
4
7

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
3
0
0
1
11
44
62
83
88
83
78
89
88
95
95
95
95
95
95
95
95
93
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.6
0.6
0.5
0.4
0.6
0.5
0.5
1
1
1.1
1.6
1.1
1
1.2
0.5
0.6

Wind Speed/Direction (mph)

12
13
14
14
14
13
12
11
11
11
12
10
9
10
10
9
9
7
5
6
12
8
8
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
85
86
89
91
93
94
94
94
96
94
94
98
98
94
96
96
96
98
98
90
96
94
93

Pressure (mb)

1006
1006
1006
1005
1005
1004
1004
1004
1004
1003
1003
1003
1001
1001
1000
1000
999
999
998
997
997
997
996
996

Ozone (du)

327
333
341
340
342
346
352
355
357
360
359
355
350
349
349
351
358
359
359
361
363
365
364
366

Friday 16

Waning Crescent 6%

07:09

13:16

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:03, Set: 16:16, Transit: 12:09. Moon - Rise: 07:09, Set: 13:16. Civil Dark: 16:55 - 07:24. Nautical Dark: 17:39 - 06:40. Astro Dark: 18:20 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
64
62
55
55
57
49
51
66
81
94
71
100
100
100
100
100
100
100
80
100

Low Clouds (% Sky Obscured)

86
100
95
91
63
62
55
55
57
49
51
66
81
94
71
81
72
69
65
62
61
57
56
62

Medium Clouds (% Sky Obscured)

20
40
70
33
45
27
22
11
7
4
3
4
6
16
17
77
59
59
82
57
57
57
56
100

High Clouds (% Sky Obscured)

71
63
73
84
64
54
25
0
0
0
0
11
17
29
39
63
85
100
100
63
91
99
79
73

ISS Passover

Visibility (miles)

4
9
0
4
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

Very Light Rain
Light Rain
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

90
95
95
29
1
0
0
0
0
0
0
1
2
3
13
14
11
8
7
1
7
2
0
2

Precipitation Amount (mm)

0.3
1.7
1.6
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
10
19
14
12
9
9
10
10
9
9
9
9
8
8
7
7
7
7
7
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
-8
-5
-3
-1
-0
-1
0
1
3
3
4
3
3
4
3
3
2
2
2
2
1
3

Dew Point (°C)

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

Relative Humidity (%)

94
90
98
94
85
89
93
93
93
91
89
88
87
87
87
90
87
91
91
90
93
93
94
94

Pressure (mb)

996
996
998
999
1001
1002
1003
1004
1005
1005
1006
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1010
1010

Ozone (du)

374
377
377
372
373
378
382
387
393
394
390
384
385
386
382
379
378
380
385
387
387
388
394
403

Saturday 17

Waning Crescent 2%

07:54

14:21

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:02, Set: 16:17, Transit: 12:10. Moon - Rise: 07:54, Set: 14:21. Civil Dark: 16:57 - 07:23. Nautical Dark: 17:40 - 06:39. Astro Dark: 18:21 - 05:58

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

68
77
80
82
85
89
94
99
96
93
90
87
85
83
84
85
86
87
89
90
90
91
92
92

Medium Clouds (% Sky Obscured)

69
46
66
100
100
100
100
100
98
95
93
95
98
100
94
88
83
75
74
67
52
37
22
22

High Clouds (% Sky Obscured)

100
100
100
100
100
96
92
87
68
46
20
43
70
100
83
67
48
32
19
7
4
3
0
2

ISS Passover

Visibility (miles)

9
9
9
9
9
6
9
9
8
9
9
9
8
6
5
4
3
3
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

1
0
7
6
19
33
29
28
20
5
3
31
37
38
56
69
78
69
65
63
52
38
9
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.4
0.3
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
94
94
94
94
94
96
94
90
91
91
93
96
94
96
96
96
96
98
96
96
96

Pressure (mb)

1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

404
405
403
404
405
405
406
406
407
406
406
408
407
406
405
405
405
406
405
405
405
405
406
406

Sunday 18

New Moon 0%

08:25

15:36

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
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:01, Set: 16:19, Transit: 12:10. Moon - Rise: 08:25, Set: 15:36. Civil Dark: 16:59 - 07:22. Nautical Dark: 17:42 - 06:39. Astro Dark: 18:23 - 05:58

Total Clouds (% Sky Obscured)

96
96
97
98
100
100
100
100
98
97
96
96
96
96
98
98
97
97
98
97
98
98
99
99

Low Clouds (% Sky Obscured)

92
91
94
97
100
100
100
100
98
97
95
92
88
86
84
83
81
82
84
85
87
87
90
92

Medium Clouds (% Sky Obscured)

19
18
19
18
22
42
58
70
70
70
70
72
74
76
76
72
68
54
51
45
56
59
63
58

High Clouds (% Sky Obscured)

4
4
6
8
10
12
13
15
15
20
20
20
20
25
19
14
10
7
6
0
0
0
0
1

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 (%)

9
6
7
6
1
6
6
2
5
6
6
9
9
9
9
8
5
8
6
3
14
17
16
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
94
94
94
96
94
94
94
93
91
91
91
90
90
90
90
89
89
86
88
86
88

Pressure (mb)

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

Ozone (du)

405
405
404
403
402
401
402
402
402
401
401
400
399
398
397
396
395
394
393
392
391
390
388
386

Monday 19

Waxing Crescent 1%

08:47

16:57

Sun - Rise: 08:00, Set: 16:21, Transit: 12:10. Moon - Rise: 08:47, Set: 16:57. Civil Dark: 17:00 - 07:21. Nautical Dark: 17:43 - 06:38. Astro Dark: 18:24 - 05:57

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 13/01/26 01:08:57. Forecast: 13/01/26 to 19/01/26. Timezone: UTC+0.00