Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Full Moon 100%

17:39

08:08

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
19 Bad
20 Bad

Sun - Rise: 07:37, Set: 16:49, Transit: 12:13. Moon - Rise: 17:39, Set: 08:08. Civil Dark: 17:26 - 07:01. Nautical Dark: 18:07 - 06:20. Astro Dark: 18:46 - 05:41

Total Clouds (% Sky Obscured)

90
88
84
87
92
78
87
97
97
95
100
100
99
85
84
87
100
100
100
99
92
94
90
87

Low Clouds (% Sky Obscured)

86
71
72
77
85
78
84
93
94
91
100
100
98
84
84
86
100
97
100
91
86
79
75
78

Medium Clouds (% Sky Obscured)

53
28
20
18
11
0
2
12
3
2
7
11
6
0
0
0
0
20
55
44
12
31
23
0

High Clouds (% Sky Obscured)

0
1
2
0
0
0
0
0
0
0
0
1
1
13
25
10
48
54
48
14
4
3
11
62

ISS Passover

Visibility (miles)

8
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
2
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 (%)

40
12
3
16
13
4
5
1
13
4
16
9
4
5
15
15
17
22
20
19
4
10
2
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)

4
4
5
5
5
6
7
8
10
9
9
9
10
11
12
13
13
14
14
14
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
96
96
96
93
91
94
94
93
93
91
91
88
87
85
82
87
87
81
85

Pressure (mb)

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

Ozone (du)

404
407
408
408
406
404
402
401
399
396
393
392
390
390
387
383
380
378
377
375
374
375
376
378

Monday 2

Waning Gibbous 98%

19:04

08:23

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
19 Bad
20 Bad

Sun - Rise: 07:36, Set: 16:51, Transit: 12:14. Moon - Rise: 19:04, Set: 08:23. Civil Dark: 17:28 - 06:59. Nautical Dark: 18:08 - 06:19. Astro Dark: 18:48 - 05:39

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

73
74
81
82
100
100
100
100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
5
29
42
45
51
78
100
100
96
100
95
100
93
79
100
98
93
97
73
79
84
88
93

High Clouds (% Sky Obscured)

73
99
100
100
100
100
100
100
100
100
100
98
94
95
29
63
55
29
35
16
21
19
87
92

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

Precipitation Probability (%)

7
1
1
1
0
1
0
1
3
4
4
4
3
4
14
54
49
36
48
44
29
44
54
55

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
13
14
14
14
16
16
16
16
16
15
15
15
14
14
14
12
12
11
11
11
11
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
90
91
86
85
85
88
86
88
88
88
88
85
83
85
86
89
91
93
93
96
94

Pressure (mb)

996
996
996
996
995
995
995
995
995
995
995
995
995
995
995
994
994
993
993
993
993
993
993
993

Ozone (du)

379
380
382
381
382
382
380
381
379
378
379
380
380
380
379
378
378
376
374
375
374
373
373
374

Tuesday 3

Waning Gibbous 94%

20:24

08:34

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 OK
17 OK
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:34, Set: 16:53, Transit: 12:14. Moon - Rise: 20:24, Set: 08:34. Civil Dark: 17:29 - 06:58. Nautical Dark: 18:10 - 06:17. Astro Dark: 18:49 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
99
99
100
100
100
100
100
100
90
100
100
94
91
76
69
55
41
37
50
60
66

Low Clouds (% Sky Obscured)

99
100
91
89
88
90
68
77
84
87
60
72
67
83
86
75
67
55
38
39
37
36
38
36

Medium Clouds (% Sky Obscured)

80
82
77
87
88
97
96
93
96
55
58
21
30
27
1
7
2
4
4
8
8
14
25
33

High Clouds (% Sky Obscured)

77
74
70
4
13
4
2
50
49
54
23
2
16
19
7
9
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
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

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

Precipitation Probability (%)

48
33
41
46
42
48
52
38
26
12
7
4
3
1
0
0
0
1
0
0
0
0
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
8
7
8
8
7
4
6
6
6
7
9
11
12
12
12
12
10
8
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
5
5
4
4
4
5
5
5
5
5
5
5
5
5
4
5
5
5

Relative Humidity (%)

96
94
94
94
96
94
98
98
93
93
93
94
91
82
78
77
74
74
73
75
81
90
93
93

Pressure (mb)

993
993
992
992
992
992
992
992
992
993
993
993
994
994
995
995
995
995
995
995
995
996
996
996

Ozone (du)

374
375
377
380
383
392
402
409
417
427
427
423
425
429
429
429
429
427
426
425
428
430
431
431

Wednesday 4

Waning Gibbous 88%

No Rise

08:45

21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
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

Sun - Rise: 07:32, Set: 16:55, Transit: 12:14. Moon - Rise: No Rise, Set: 08:45. Civil Dark: 17:31 - 06:56. Nautical Dark: 18:12 - 06:16. Astro Dark: 18:51 - 05:36

Total Clouds (% Sky Obscured)

56
50
44
41
38
37
78
89
99
100
100
100
98
96
94
95
97
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
39
42
40
38
37
48
57
63
76
86
96
88
88
83
83
84
85
90
87
99
98
97
96

Medium Clouds (% Sky Obscured)

23
12
2
1
3
3
29
55
98
86
74
62
60
55
50
67
82
100
100
100
100
100
99
100

High Clouds (% Sky Obscured)

0
0
0
0
0
1
15
15
20
27
43
54
51
51
51
67
86
100
87
75
60
72
86
100

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

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
8
8
8
8
8
8
8
9
9
11
12
12
13
14
15
15
15
16
16
16
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
93
94
93
93
94
93
93
94
94
90
86
86
83
85
82
83
85
86
85
83

Pressure (mb)

997
997
997
997
996
996
996
996
995
995
995
995
995
995
995
995
994
994
993
993
993
992
992
992

Ozone (du)

430
432
435
442
442
447
452
454
447
437
430
429
430
434
435
431
428
423
420
417
411
409
410
414

Thursday 5

Waning Gibbous 81%

21:41

08:55

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
19 Bad
20 Bad

Sun - Rise: 07:31, Set: 16:57, Transit: 12:14. Moon - Rise: 21:41, Set: 08:55. Civil Dark: 17:33 - 06:55. Nautical Dark: 18:13 - 06:14. Astro Dark: 18:53 - 05:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
100
100
95
88
76

Low Clouds (% Sky Obscured)

96
97
97
98
99
100
100
100
100
100
100
100
100
100
100
98
96
94
91
89
87
82
77
72

Medium Clouds (% Sky Obscured)

100
64
89
89
100
100
66
50
51
48
44
41
35
38
44
50
51
47
34
54
75
50
22
0

High Clouds (% Sky Obscured)

86
85
86
54
33
10
16
21
26
36
42
49
46
46
43
41
42
40
56
76
93
61
42
36

ISS Passover

Visibility (miles)

9
1
0
0
0
0
0
0
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
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

37
57
58
74
89
95
91
87
82
72
63
51
51
50
51
77
71
59
51
40
21
21
19
14

Precipitation Amount (mm)

0
0.2
0.2
0.4
0.6
0.8
0.7
0.7
0.6
0.5
0.3
0.2
0
0
0
0.3
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
14
13
13
12
12
12
12
12
11
11
11
10
10
10
10
9
9
8
7
7
6
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
94
98
96
98
98
100
98
93
93
91
89
91
88
88
86
86
86
88
88
91
93
93
94

Pressure (mb)

992
992
991
991
991
990
990
990
990
991
991
991
992
992
992
992
993
993
993
993
994
994
995
995

Ozone (du)

416
416
414
414
414
415
412
407
405
406
406
407
409
410
411
410
410
409
409
409
410
411
411
410

Friday 6

Waning Gibbous 72%

22:57

09:05

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
19 Bad
20 Bad

Sun - Rise: 07:29, Set: 16:59, Transit: 12:14. Moon - Rise: 22:57, Set: 09:05. Civil Dark: 17:35 - 06:53. Nautical Dark: 18:15 - 06:13. Astro Dark: 18:54 - 05:33

Total Clouds (% Sky Obscured)

76
79
83
84
85
85
90
94
98
95
93
90
93
97
100
80
64
80
87
88
87
82
84
89

Low Clouds (% Sky Obscured)

74
78
80
82
84
85
90
93
96
91
84
79
71
63
54
47
39
32
37
42
47
55
63
73

Medium Clouds (% Sky Obscured)

8
21
34
41
54
54
55
62
75
75
89
86
89
91
93
80
64
52
53
44
35
57
68
71

High Clouds (% Sky Obscured)

53
66
76
68
55
40
30
25
15
15
25
35
39
43
48
36
22
11
12
17
19
22
18
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
7
6
7
8
9
9
9
9
9
9
9
9
9
9
8
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
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
6
2
12
21
27
38
46
53
56
55
51
49
41
30
31
29
28
37
38
37
42
43
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
96
94
94
93
93
93
93
94
94
96
96
94
94
94
95
96
96
96
94
96
96

Pressure (mb)

996
996
997
997
998
998
999
999
999
999
1000
1001
1001
1001
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003

Ozone (du)

409
409
409
410
410
411
412
414
416
419
420
421
422
422
423
423
423
422
422
422
421
421
420
418

Saturday 7

Waning Gibbous 63%

00:12

09:18

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

Sun - Rise: 07:27, Set: 17:01, Transit: 12:14. Moon - Rise: 00:12, Set: 09:18. Civil Dark: 17:36 - 06:51. Nautical Dark: 18:17 - 06:11. Astro Dark: 18:56 - 05:32

Total Clouds (% Sky Obscured)

90
93
96
97
99
100
100
100
100
100
100
100
97
96
95
96
98
99
90
81
69

Low Clouds (% Sky Obscured)

79
85
91
92
94
95
97
98
100
100
100
100
90
81
71
62
49
46
51
59
67

Medium Clouds (% Sky Obscured)

64
59
53
52
63
63
62
47
36
40
24
19
13
12
11
17
18
25
31
26
10

High Clouds (% Sky Obscured)

9
7
3
14
31
45
45
35
30
20
7
0
12
24
36
44
46
40
34
29
28

ISS Passover

Visibility (miles)

5
3
2
0
0
0
0
0
0
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

33
30
24
31
38
45
58
65
70
62
50
33
37
35
26
27
27
27
25
19
4

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
98
98
98
98
98
96
96
94
94
93
91
88
88
88
87
85
86
85

Pressure (mb)

1003
1003
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1001

Ozone (du)

416
417
417
418
416
415
413
414
414
415
417
420
422
430
438
446
441
436
431
433
435

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

Generated: 01/02/26 21:29:13. Forecast: 01/02/26 to 07/02/26. Timezone: UTC+0.00