Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 24

Waxing Crescent 34%

09:59

23:44

16 OK
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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:49, Set: 16:33, Transit: 12:12. Moon - Rise: 09:59, Set: 23:44. Civil Dark: 17:11 - 07:12. Nautical Dark: 17:52 - 06:30. Astro Dark: 18:32 - 05:50

Total Clouds (% Sky Obscured)

41
54
64
72
100
98
97
84
80
100
96
80
86
90
95
95
95
98
97
86
91
88
97
100

Low Clouds (% Sky Obscured)

41
54
43
57
72
75
60
56
60
76
64
68
75
81
87
86
81
96
95
86
84
80
97
100

Medium Clouds (% Sky Obscured)

41
54
64
72
100
91
92
84
80
99
96
80
63
19
29
34
33
45
21
3
12
9
3
72

High Clouds (% Sky Obscured)

41
54
64
72
100
81
76
47
53
100
36
35
25
30
25
2
34
55
41
35
54
39
33
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
7
9
20
18
10
28
65
62
27
11
5
4
8
19
15
2
1
0
0
2
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
13
15
17
17
17
16
16
14
15
14
13
13
12
12
12
12
12
12
11
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
87
84
82
82
83
83
86
88
90
90
91
93
93
93
93
93
91
90
90
85
85
88

Pressure (mb)

995
995
995
995
995
995
995
994
994
994
994
994
993
993
993
993
993
994
994
994
994
994
994
995

Ozone (du)

409
409
412
413
417
419
421
421
420
420
424
429
429
427
426
429
431
431
427
427
423
419
415
412

Sunday 25

Waxing Crescent 45%

10:15

01:11

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:48, Set: 16:35, Transit: 12:12. Moon - Rise: 10:15, Set: 01:11. Civil Dark: 17:12 - 07:11. Nautical Dark: 17:54 - 06:29. Astro Dark: 18:34 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
95
94
95
81
83
91
84
92
86
86
91
91
86
87
89
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
88
92
94
81
83
91
84
92
86
86
91
91
86
87
89
95
100
84
79
77
78

Medium Clouds (% Sky Obscured)

14
40
14
8
0
0
0
0
0
0
2
1
0
0
0
0
0
0
0
0
0
70
100
82

High Clouds (% Sky Obscured)

52
47
56
4
9
3
1
4
1
0
1
0
0
0
0
0
2
5
2
25
100
100
40
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 (%)

0
0
0
0
0
0
0
0
0
0
0
4
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
8
7
8
8
7
7
6
6
7
6
6
6
5
4
5
6
4
5
9
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
90
90
88
88
91
93
93
94
94
94
94
94
93
94
93
86
83
80
79
77
83

Pressure (mb)

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

Ozone (du)

414
417
421
425
427
431
432
429
431
431
433
436
438
443
446
446
443
443
445
453
449
440
437
428

Monday 26

First Quarter 57%

10:38

02:41

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:47, Set: 16:37, Transit: 12:13. Moon - Rise: 10:38, Set: 02:41. Civil Dark: 17:14 - 07:09. Nautical Dark: 17:55 - 06:28. Astro Dark: 18:35 - 05:48

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91

Low Clouds (% Sky Obscured)

89
70
64
79
73
62
69
87
87
79
95
93
100
100
100
92
97
100
100
100
96
91
87
83

Medium Clouds (% Sky Obscured)

96
72
78
67
100
100
98
90
96
100
100
100
33
83
24
22
52
100
100
100
100
100
100
83

High Clouds (% Sky Obscured)

63
91
95
100
100
100
75
100
100
100
51
55
55
100
100
100
100
100
100
100
100
100
100
80

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
3
10
40
48
61
77
83
86
75
87
70
49
41
78
95
95
95
91
93

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.7
0.5
0.6
0.3
0
0
0.3
1
1.2
0.5
0.6
0.4

Wind Speed/Direction (mph)

10
9
10
11
10
11
11
10
11
13
15
15
17
17
18
19
19
19
20
20
19
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1001
1001
1000
1000
1000
999
998
997
996
995
994
993
992
990
989
988
987
986
985
984
983
982
981
981

Ozone (du)

415
406
394
389
385
381
380
380
382
385
388
386
382
379
377
377
377
379
377
374
375
373
371
369

Tuesday 27

Waxing Gibbous 68%

11:11

04:10

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:45, Set: 16:38, Transit: 12:13. Moon - Rise: 11:11, Set: 04:10. Civil Dark: 17:16 - 07:08. Nautical Dark: 17:57 - 06:27. Astro Dark: 18:37 - 05:47

Total Clouds (% Sky Obscured)

83
74
78
83
87
73
59
49
59
71
82
89
94
100
88
75
62
71
67
75
48
65
54
67

Low Clouds (% Sky Obscured)

79
74
69
63
55
46
30
23
20
20
20
26
24
22
28
35
41
54
61
56
42
31
18
19

Medium Clouds (% Sky Obscured)

67
50
56
64
76
25
42
40
9
18
27
33
42
50
33
18
0
13
27
57
22
58
9
20

High Clouds (% Sky Obscured)

60
40
30
25
20
15
15
20
16
22
6
17
12
5
0
1
0
0
2
0
0
1
15
16

ISS Passover

Visibility (miles)

9
6
3
8
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
0
0
0
0

Precipitation Type

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
None

Precipitation Probability (%)

89
95
95
45
4
7
3
4
3
2
1
2
13
4
4
14
3
11
2
1
1
2
3
2

Precipitation Amount (mm)

0.4
0.9
0.9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
93
93
93
90
78
78
76
76
80
85
80
80
79
83
85
82
80
78
73
70
75
78

Pressure (mb)

980
980
980
980
980
980
981
981
981
982
983
983
983
984
984
986
987
988
989
990
991
991
992
992

Ozone (du)

369
366
365
368
370
373
375
382
387
391
398
405
414
431
437
441
439
447
449
453
451
452
446
448

Wednesday 28

Waxing Gibbous 79%

12:01

05:32

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:44, Set: 16:40, Transit: 12:13. Moon - Rise: 12:01, Set: 05:32. Civil Dark: 17:17 - 07:07. Nautical Dark: 17:59 - 06:26. Astro Dark: 18:38 - 05:46

Total Clouds (% Sky Obscured)

83
99
99
100
100
100
100
100
100
88
75
76
80
90
84
92
99
100
100
100
99
99
98
98

Low Clouds (% Sky Obscured)

21
21
27
32
40
37
31
26
33
40
47
52
57
66
33
33
33
30
27
23
44
65
87
86

Medium Clouds (% Sky Obscured)

83
47
45
39
25
36
90
100
55
55
55
48
46
53
69
57
46
62
77
92
94
96
96
92

High Clouds (% Sky Obscured)

17
18
52
76
100
100
100
100
100
88
70
75
75
87
84
89
95
76
59
49
38
27
14
9

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

2
0
0
0
0
0
0
0
0
0
0
2
8
12
0
0
0
12
18
23
48
64
81
84

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
10
10
10
9
9
9
10
11
12
13
14
15
17
12
13
13
15
16
18
18
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
86
88
91
93
91
91
93
91
91
91
93
91
91
90
89
88
89
88
90
88
90
91
91

Pressure (mb)

992
993
993
993
994
994
994
993
993
993
992
992
991
991
990
991
991
990
990
989
988
987
986
986

Ozone (du)

456
455
461
471
479
488
487
492
491
491
492
490
468
414
369
365
362
358
365
372
379
377
375
373

Thursday 29

Waxing Gibbous 88%

13:12

06:36

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:42, Set: 16:42, Transit: 12:13. Moon - Rise: 13:12, Set: 06:36. Civil Dark: 17:19 - 07:05. Nautical Dark: 18:00 - 06:24. Astro Dark: 18:40 - 05:45

Total Clouds (% Sky Obscured)

98
98
98
98
99
99
99
100
100
100
100
97
95
92
92
95
95
97
99
100
99
98
97
93

Low Clouds (% Sky Obscured)

85
83
81
79
78
79
80
80
82
83
84
84
84
85
74
70
71
78
82
86
88
90
91
85

Medium Clouds (% Sky Obscured)

88
83
84
84
85
88
94
100
100
100
100
92
84
75
71
61
60
73
88
100
94
87
77
77

High Clouds (% Sky Obscured)

5
0
1
3
4
30
55
80
80
75
70
54
35
20
42
66
88
74
58
46
42
53
55
61

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

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

Precipitation Probability (%)

73
45
32
22
10
30
41
51
55
55
53
60
53
33
28
30
22
26
44
56
60
59
49
50

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
85
82
81
80
80
82
83
83
86
89
91
90
88
87
87
86
88
88
88
90
90
90
88

Pressure (mb)

986
986
986
986
986
986
986
986
986
986
986
987
987
987
987
987
987
988
987
987
987
987
986
986

Ozone (du)

374
375
376
379
382
384
385
385
385
384
382
380
386
391
397
393
389
385
384
382
381
381
382
382

Friday 30

Waxing Gibbous 95%

14:39

07:20

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: 07:41, Set: 16:44, Transit: 12:13. Moon - Rise: 14:39, Set: 07:20. Civil Dark: 17:21 - 07:04. Nautical Dark: 18:02 - 06:23. Astro Dark: 18:41 - 05:43

Total Clouds (% Sky Obscured)

89
85
89
93
97
96
96
95
94
93
93
90
83
76
74
72
71
71
71
73

Low Clouds (% Sky Obscured)

79
73
80
84
89
89
89
88
79
71
62
60
58
58
68
72
71
71
71
73

Medium Clouds (% Sky Obscured)

77
81
80
84
89
87
83
78
80
85
89
80
70
60
53
48
37
45
50
59

High Clouds (% Sky Obscured)

62
68
68
74
80
61
57
50
55
65
55
27
14
2
2
2
2
3
7
17

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

55
58
81
90
92
73
60
46
42
38
31
25
20
17
17
18
20
27
28
15

Precipitation Amount (mm)

0
0
0.5
0.6
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
13
14
16
17
17
17
17
16
15
14
13
12
11
10
9
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
87
88
88
88
90
90
90
90
88
88
85
83
81
85
86
90
87
84

Pressure (mb)

986
986
985
985
985
984
984
984
984
984
985
985
986
986
987
987
988
989
989
990

Ozone (du)

383
385
386
388
390
392
394
396
398
402
407
412
419
426
434
436
438
440
442
443

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

Generated: 24/01/26 16:46:36. Forecast: 24/01/26 to 30/01/26. Timezone: UTC+0.00