Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 21

Waxing Crescent 15%

09:25

19:41

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:53, Set: 16:29, Transit: 12:11. Moon - Rise: 09:25, Set: 19:41. Civil Dark: 17:07 - 07:15. Nautical Dark: 17:49 - 06:34. Astro Dark: 18:29 - 05:53

Total Clouds (% Sky Obscured)

69
76
81
85
100
100
100
100
100
97
99
100
100
100
100
99
97
100
91
93
93
88
93
82

Low Clouds (% Sky Obscured)

69
76
72
84
81
79
69
58
90
97
86
88
86
80
78
79
83
91
79
74
80
82
64
63

Medium Clouds (% Sky Obscured)

69
76
81
85
84
100
100
100
100
96
99
100
100
100
98
78
51
51
30
38
41
30
81
31

High Clouds (% Sky Obscured)

69
76
72
85
100
100
100
100
100
62
71
100
61
65
19
38
58
11
0
5
0
0
8
3

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
41
50
61
43
28
25
51
65
86
61
58
47
39
31
20
9
7
15
10
13
3

Precipitation Amount (mm)

1.8
0.7
0.6
0
0
0.3
0
0
0
0.2
0.3
0.6
0.2
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
16
16
15
15
15
14
14
13
14
13
12
13
13
13
13
14
14
15
15
16
16

Chance of Frost

Temperature (°C)

8
8
8
8
8
9
9
8
8
8
8
8
8
7
7
7
7
8
8
8
8
8
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
90
91
93
93
93
91
91
95
93
93
93
91
90
90
91
90
88
88
88
87
88

Pressure (mb)

989
989
989
989
989
990
990
990
990
990
990
990
991
991
991
991
991
990
990
990
989
989
989
989

Ozone (du)

368
369
370
370
368
365
360
355
352
351
354
356
358
358
357
359
362
365
368
365
368
369
368
368

Thursday 22

Waxing Crescent 23%

09:36

21:01

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:52, Set: 16:31, Transit: 12:12. Moon - Rise: 09:36, Set: 21:01. Civil Dark: 17:09 - 07:14. Nautical Dark: 17:51 - 06:33. Astro Dark: 18:31 - 05:52

Total Clouds (% Sky Obscured)

67
100
95
76
46
57
79
91
91
96
99
98
97
100
100
93
100
100
98
97
74
54
91
45

Low Clouds (% Sky Obscured)

63
84
78
76
46
57
79
91
74
81
96
85
92
59
82
80
65
92
62
96
74
54
53
45

Medium Clouds (% Sky Obscured)

4
71
65
5
0
0
0
2
1
0
68
92
92
88
100
70
100
100
91
78
57
54
86
11

High Clouds (% Sky Obscured)

2
13
16
0
0
1
28
29
71
84
58
25
45
100
100
35
84
55
0
10
50
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

16
16
7
7
1
0
0
1
15
19
4
1
4
12
51
45
43
67
41
19
32
39
23
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
6
6
6
6
6
6
6
6
6
7
7
7
7
8
8
7
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
91
88
90
93
93
93
96
96
91
86
88
90
88
87
90
90
90
85
79
85
91
93

Pressure (mb)

989
988
989
989
989
989
990
990
990
989
989
989
989
989
989
989
989
989
989
989
989
990
990
990

Ozone (du)

373
373
374
371
373
372
373
372
372
370
369
368
367
366
368
369
369
374
376
375
376
379
379
380

Friday 23

Waxing Crescent 34%

09:47

22:22

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:51, Set: 16:33, Transit: 12:12. Moon - Rise: 09:47, Set: 22:22. Civil Dark: 17:11 - 07:13. Nautical Dark: 17:52 - 06:31. Astro Dark: 18:32 - 05:51

Total Clouds (% Sky Obscured)

54
70
39
42
81
47
39
42
58
50
50
78
76
73
75
75
75
75
65
69
86
93
100
100

Low Clouds (% Sky Obscured)

53
51
39
42
54
47
39
42
53
44
50
52
56
53
50
50
51
49
50
51
50
43
34
42

Medium Clouds (% Sky Obscured)

47
44
11
11
72
11
4
2
19
17
16
70
57
44
27
50
50
45
26
30
43
52
62
66

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
0
2
0
12
45
38
40
40
40
14
4
9
18
16
20
16

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 (%)

1
1
1
0
0
1
1
2
3
3
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
91
93
93
93
94
94
93
94
94
93
89
88
83
79
79
79
81
84
85
86
88

Pressure (mb)

991
991
992
992
993
993
993
994
994
994
995
995
996
996
997
997
998
998
997
997
997
997
998
998

Ozone (du)

382
383
384
386
389
391
392
393
393
396
397
397
396
396
397
399
402
405
407
406
405
405
405
405

Saturday 24

Waxing Crescent 45%

09:59

23:44

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:49, Set: 16:35, Transit: 12:12. Moon - Rise: 09:59, Set: 23:44. Civil Dark: 17:12 - 07:12. Nautical Dark: 17:54 - 06:30. Astro Dark: 18:34 - 05:50

Total Clouds (% Sky Obscured)

99
65
67
96
93
68
86
86
84
85
86
90
94
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

49
54
59
70
74
68
77
79
78
81
82
86
89
92
92
97
100
92
82
70
72
77
80
79

Medium Clouds (% Sky Obscured)

93
57
42
31
21
12
7
2
4
21
50
46
39
95
100
100
92
62
68
64
58
52
57
55

High Clouds (% Sky Obscured)

21
5
3
2
1
1
21
17
17
11
1
31
56
93
89
79
67
53
35
18
19
14
9
3

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
1
1
1
2
5
12
9
8
9
8
16
9
10
10
5
3
2
4
14
15
9
16

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
11
11
10
10
10
10
10
11
11
11
12
13
13
13
13
13
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
89
88
88
86
91
89
91
93
91
91
91
91
90
88
86
83
82
82
85
86
90
91

Pressure (mb)

998
998
998
998
998
998
998
997
997
997
997
996
996
997
997
997
997
997
997
997
997
998
999
999

Ozone (du)

407
407
407
409
410
413
412
410
412
413
414
415
417
419
417
417
415
415
416
417
416
413
413
413

Sunday 25

Waxing Crescent 57%

10:15

01:11

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:48, Set: 16:37, Transit: 12:12. Moon - Rise: 10:15, Set: 01:11. Civil Dark: 17:14 - 07:11. Nautical Dark: 17:55 - 06:29. Astro Dark: 18:35 - 05:49

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

78
78
85
93
100
100
99
99
99
99
99
99
100
100
100
98
97
93
88
82
82
86
90
94

Medium Clouds (% Sky Obscured)

55
55
40
36
34
38
38
34
24
37
50
49
42
38
37
42
53
54
63
59
62
72
87
92

High Clouds (% Sky Obscured)

1
1
0
0
0
1
3
3
3
2
4
12
20
33
46
58
65
60
50
40
31
27
18
7

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
8
6
5

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
Very Light Rain

Precipitation Probability (%)

15
12
16
13
5
14
11
8
9
8
8
9
10
11
8
7
2
6
6
11
23
36
50
61

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
0.3

Wind Speed/Direction (mph)

11
11
10
10
11
10
9
9
8
9
9
10
10
11
11
11
11
12
12
13
15
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
1
1
1
1
1
1
1
1
0
0
-1
-0
-1
-1
1
1
1
0
-0
-1

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
91
93
93
94
94
93
93
93
91
91
91
89
86
85
85
86
86
86
86
86

Pressure (mb)

1000
1001
1002
1002
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1005
1004
1004
1003
1003
1002
1001
1000
999
999

Ozone (du)

412
413
415
416
416
420
417
413
410
411
412
413
410
408
405
415
425
435
425
416
406
397
387
377

Monday 26

First Quarter 54%

10:38

02:41

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:47, Set: 16:38, Transit: 12:13. Moon - Rise: 10:38, Set: 02:41. Civil Dark: 17:16 - 07:09. Nautical Dark: 17:57 - 06:28. Astro Dark: 18:37 - 05:48

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
92
84
78
72
70
76
92
94
96
97
98
99
86
73
60
54

Low Clouds (% Sky Obscured)

96
100
100
100
100
98
96
95
92
84
78
72
70
76
92
94
96
79
58
37
36
34
33
30

Medium Clouds (% Sky Obscured)

98
99
99
99
100
100
100
100
92
84
78
72
54
45
53
61
54
42
48
41
39
36
37
25

High Clouds (% Sky Obscured)

6
5
37
68
100
98
96
90
88
82
78
70
65
61
69
71
76
80
87
92
80
73
60
54

ISS Passover

Visibility (miles)

4
3
2
2
1
1
4
7
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

Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

75
94
95
95
95
95
92
63
72
72
75
90
95
95
92
82
69
56
42
20
12
6
0
2

Precipitation Amount (mm)

0.4
0.6
2.1
3.5
4.3
0.6
0.3
0
0.3
0.3
0.4
0.6
0.7
0.6
0.5
0.4
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
17
18
19
20
21
17
17
21
20
20
20
19
18
18
16
14
12
8
8
12
10
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
93
94
96
96
94
93
91
88
86
85
82
82
79
79
78
78
78
79
81
80
82

Pressure (mb)

997
996
994
992
990
988
986
985
983
983
983
983
983
983
983
983
983
983
984
984
984
985
986
987

Ozone (du)

379
380
381
384
386
388
390
392
394
398
402
405
408
412
415
416
418
419
419
419
418
428
438
448

Tuesday 27

Waxing Gibbous 68%

11:11

04:10

19 OK
20 OK
21 OK
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:45, Set: 16:40, Transit: 12:13. Moon - Rise: 11:11, Set: 04:10. Civil Dark: 17:17 - 07:08. Nautical Dark: 17:59 - 06:27. Astro Dark: 18:38 - 05:47

Total Clouds (% Sky Obscured)

45
36
29
36
40
56
67
74
80
86
92

Low Clouds (% Sky Obscured)

27
24
15
8
1
18
38
51
56
58
59

Medium Clouds (% Sky Obscured)

15
4
5
5
5
7
10
11
26
44
66

High Clouds (% Sky Obscured)

45
36
29
36
40
56
56
42
38
36
37

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
8
7
7
5
5
4
5
6

Chance of Frost

Temperature (°C)

4
4
3
3
2
2
2
1
1
1
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
85
83
85
83
84
84
86
88
88

Pressure (mb)

987
988
988
989
989
990
991
991
992
992
992

Ozone (du)

456
463
470
473
476
478
480
481
483
484
484

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 21/01/26 19:31:40. Forecast: 21/01/26 to 27/01/26. Timezone: UTC+0.00