Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 26%

03:43

11:31

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:02, Set: 16:14, Transit: 12:08. Moon - Rise: 03:43, Set: 11:31. Civil Dark: 16:53 - 07:23. Nautical Dark: 17:36 - 06:40. Astro Dark: 18:17 - 05:59

Total Clouds (% Sky Obscured)

56
51
65
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95

Low Clouds (% Sky Obscured)

50
49
57
59
67
78
69
80
81
56
64
67
62
67
80
87
90
84
94
97
94
86
83
81

Medium Clouds (% Sky Obscured)

0
0
0
0
82
100
100
100
100
100
100
100
100
100
100
100
100
98
96
100
100
98
100
94

High Clouds (% Sky Obscured)

1
37
65
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
100
100
63

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
5
3
3
9
9
5
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
1
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
26
32
55
74
95
95
80
59
89
84
86
95
92
76
46
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.8
0.5
0
0.5
0.5
0.5
1
0.8
0.5
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
94
94
93
93
93
93
91
93
93
93
93
95
96
93
96
96
95
91
88
88
85
88

Pressure (mb)

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

Ozone (du)

320
323
324
323
322
325
327
329
329
329
332
332
334
336
335
332
335
334
332
337
342
342
348
357

Tuesday 13

Waning Crescent 18%

04:56

11:57

23 Bad
00 Bad
01 OK
02 Good
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 OK
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

Sun - Rise: 08:01, Set: 16:15, Transit: 12:08. Moon - Rise: 04:56, Set: 11:57. Civil Dark: 16:55 - 07:22. Nautical Dark: 17:37 - 06:39. Astro Dark: 18:18 - 05:59

Total Clouds (% Sky Obscured)

97
63
10
4
22
26
30
35
40
42
44
83
92
95
99
100
100
81
100
100
100
100
91
86

Low Clouds (% Sky Obscured)

68
33
0
4
22
26
30
35
40
42
40
6
15
7
24
0
0
0
0
0
0
0
37
65

Medium Clouds (% Sky Obscured)

96
63
10
0
0
0
0
0
0
0
0
8
70
67
58
68
84
81
93
100
100
100
86
82

High Clouds (% Sky Obscured)

60
63
0
0
0
0
0
0
1
0
12
57
65
73
97
100
100
72
100
100
33
100
25
30

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 (%)

14
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
6
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
89
91
93
91
91
89
91
89
86
84
77
73
71
75
79
82
86
86
86
88
91
93

Pressure (mb)

1008
1008
1009
1009
1010
1010
1011
1011
1012
1013
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010

Ozone (du)

359
356
356
355
353
351
347
344
337
332
325
323
318
310
306
305
307
309
308
310
312
315
319
318

Wednesday 14

Waning Crescent 11%

06:04

12:33

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 08:00, Set: 16:17, Transit: 12:09. Moon - Rise: 06:04, Set: 12:33. Civil Dark: 16:56 - 07:21. Nautical Dark: 17:39 - 06:39. Astro Dark: 18:19 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
72
61
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
83
100
84
72
61
95
97
97
97
100
99
100
97
96
100
100
98
95
92
87
84
80
75

Medium Clouds (% Sky Obscured)

100
90
99
100
60
61
92
78
100
45
34
89
100
100
100
100
100
100
100
100
100
100
84
69

High Clouds (% Sky Obscured)

100
55
50
0
50
45
45
76
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
9
9
6
3
3
2
2
3
2
3
3
3
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

8
1
0
0
2
6
44
67
65
76
74
71
95
95
95
95
95
95
95
95
95
95
95
70

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.2
0.5
0.5
0.3
0.6
1.1
1.6
2
2.6
1.7
2
1.7
1.1
1.2
0.8
0.3

Wind Speed/Direction (mph)

8
9
11
12
14
14
13
14
13
14
12
13
13
12
12
12
11
10
11
13
12
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
91
85
90
91
90
91
94
96
94
93
94
96
94
94
96
98
93
95
91
90
90

Pressure (mb)

1009
1008
1008
1007
1007
1006
1006
1006
1005
1005
1004
1004
1004
1003
1002
1001
1000
999
999
998
997
997
997
996

Ozone (du)

316
321
325
330
338
338
338
340
343
350
353
357
356
352
349
349
349
352
357
358
359
362
366
367

Thursday 15

Waning Crescent 6%

07:02

13:23

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

Sun - Rise: 07:59, Set: 16:19, Transit: 12:09. Moon - Rise: 07:02, Set: 13:23. Civil Dark: 16:58 - 07:21. Nautical Dark: 17:40 - 06:38. Astro Dark: 18:20 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
99
66
61
52
42
33
38
46
55
68
76
85
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
64
55
45
49
42
46
50
42
33
38
46
55
68
64
56
55
59
62
66
67
40
43
50

Medium Clouds (% Sky Obscured)

53
4
1
4
14
27
41
28
18
8
9
6
2
19
39
62
55
57
56
48
89
100
100
100

High Clouds (% Sky Obscured)

100
100
79
80
82
66
61
52
28
7
5
3
1
29
51
76
93
95
90
82
84
97
99
98

ISS Passover

Visibility (miles)

8
9
6
2
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

61
61
95
95
12
1
0
0
0
0
0
0
0
4
14
13
6
18
15
13
7
1
0
0

Precipitation Amount (mm)

0.2
0.2
0.7
0.7
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
14
10
16
14
12
9
8
8
8
8
9
11
11
10
10
9
8
8
7
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
94
91
85
89
89
93
91
91
90
87
85
82
82
84
82
81
87
91
91
94
94

Pressure (mb)

996
996
996
997
1000
1002
1003
1003
1004
1005
1005
1006
1006
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009

Ozone (du)

365
368
379
383
381
375
367
368
371
377
382
386
382
378
380
379
381
384
383
384
386
386
389
391

Friday 16

Waning Crescent 2%

07:47

14:27

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:58, Set: 16:20, Transit: 12:09. Moon - Rise: 07:47, Set: 14:27. Civil Dark: 16:59 - 07:20. Nautical Dark: 17:41 - 06:37. Astro Dark: 18:22 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
99
96
92
85
87
92

Low Clouds (% Sky Obscured)

60
70
69
72
81
91
100
100
100
100
99
98
96
97
98
99
99
98
98
89
81
72
79
87

Medium Clouds (% Sky Obscured)

100
60
96
100
89
79
66
76
87
97
97
97
96
92
89
87
86
70
48
46
49
48
41
30

High Clouds (% Sky Obscured)

98
87
75
65
56
49
45
55
68
80
70
62
53
41
31
17
11
6
10
20
20
19
15
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
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
1
0
0
3
4
10
17
10
7
5
5
15
31
38
43
52
51
43
41
43
41
32
20

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1009
1009
1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016

Ozone (du)

397
401
405
408
407
406
407
408
407
407
409
411
410
410
410
411
411
411
410
410
411
412
412
412

Saturday 17

Waning Crescent 0%

08:20

15:41

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:57, Set: 16:22, Transit: 12:10. Moon - Rise: 08:20, Set: 15:41. Civil Dark: 17:01 - 07:19. Nautical Dark: 17:43 - 06:37. Astro Dark: 18:23 - 05:56

Total Clouds (% Sky Obscured)

97
98
99
100
100
100
100
96
91
87
91
96
100
99
98
99
99
99
99
99
100
100
100
99

Low Clouds (% Sky Obscured)

94
96
98
100
100
100
100
96
91
87
91
96
100
92
84
76
70
65
59
73
86
100
97
95

Medium Clouds (% Sky Obscured)

15
12
6
2
10
18
27
39
70
85
72
59
46
61
77
94
78
68
64
49
38
41
51
61

High Clouds (% Sky Obscured)

1
11
18
21
20
20
14
5
5
5
5
5
5
9
9
13
8
6
0
1
1
1
1
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 (%)

8
10
7
0
5
7
7
6
5
2
7
9
9
9
7
2
7
7
2
11
14
11
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
4
4
4
4
4
3
3
3
3
3
3
3
4
4
4
4
4
2
2
2
2

Dew Point (°C)

4
4
4
4
5
5
4
4
4
5
5
5
5
5
5
5
5
5
4
4
3
3
3
3

Relative Humidity (%)

96
96
96
96
96
96
96
96
96
98
98
96
94
91
91
91
90
88
88
88
88
88
88
88

Pressure (mb)

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

Ozone (du)

411
411
410
409
409
408
408
407
407
407
407
408
408
409
408
407
405
404
403
402
401
399
398
397

Sunday 18

New Moon 1%

08:43

17:00

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

Sun - Rise: 07:56, Set: 16:24, Transit: 12:10. Moon - Rise: 08:43, Set: 17:00. Civil Dark: 17:02 - 07:18. Nautical Dark: 17:44 - 06:36. Astro Dark: 18:25 - 05:55

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
99
99
98
99
99
100
97
94
89
92
95
98

Low Clouds (% Sky Obscured)

92
91
89
88
90
93
96
93
91
89
92
94
96
83
69
59
59
60
62

Medium Clouds (% Sky Obscured)

57
52
69
68
66
50
36
41
29
28
22
19
17
19
15
15
28
41
61

High Clouds (% Sky Obscured)

0
13
23
34
32
36
36
45
61
67
65
68
70
62
49
34
40
46
57

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

28
34
36
34
34
31
22
19
14
3
4
3
0
1
1
0
2
3
4

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
3

Relative Humidity (%)

88
88
88
89
89
89
91
89
89
88
88
88
85
85
85
85
83
86
86

Pressure (mb)

1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010

Ozone (du)

396
395
395
395
394
396
397
398
398
399
400
401
402
403
403
402
402
403
404

Forecast for Castle, Cambridgeshire, United Kingdom (52.21,0.10)

Generated: 12/01/26 23:54:08. Forecast: 12/01/26 to 18/01/26. Timezone: UTC+0.00