Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Crescent 23%

09:36

22:22

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
01 Bad
02 Bad

Sun - Rise: 07:52, Set: 16:31, Transit: 12:12. Moon - Rise: 09:36, Set: 22:22. Civil Dark: 17:09 - 07:14. Nautical Dark: 17:51 - 06:33. Astro Dark: 18:31 - 05:52

Total Clouds (% Sky Obscured)

65
80
67
77
100
100
92
95
95
99
100
97
100
92
83
54
49
63
63
68
65
74
64
50

Low Clouds (% Sky Obscured)

52
58
57
57
64
77
81
90
88
87
75
75
55
50
55
54
49
63
63
68
65
74
64
50

Medium Clouds (% Sky Obscured)

4
6
47
77
100
100
87
95
95
98
100
97
86
29
23
2
0
0
0
3
3
43
40
23

High Clouds (% Sky Obscured)

65
25
61
77
100
100
29
30
27
35
90
0
0
0
0
0
0
0
0
0
0
0
0
0

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
1
8
22
29
29
14
19
17
3
0
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)

8
9
10
11
14
15
17
18
18
16
16
14
14
13
13
14
13
14
14
13
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
93
91
88
87
90
90
85
82
82
82
84
87
86
86
86
86
90
88
90
90

Pressure (mb)

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

Ozone (du)

379
377
376
374
375
374
373
373
375
377
379
381
382
382
383
385
389
392
394
395
394
391
389
389

Saturday 24

Waxing Crescent 34%

09:47

23:44

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 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:51, Set: 16:33, Transit: 12:12. Moon - Rise: 09:47, Set: 23:44. Civil Dark: 17:11 - 07:13. Nautical Dark: 17:52 - 06:31. Astro Dark: 18:32 - 05:51

Total Clouds (% Sky Obscured)

43
100
90
65
66
68
68
60
69
81
54
49
55
55
24
51
72
76
72
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
47
53
65
66
68
68
60
65
79
49
46
48
41
15
39
45
51
43
35
70
52
62
92

Medium Clouds (% Sky Obscured)

0
55
34
0
0
3
0
0
55
40
40
18
30
40
24
51
61
47
46
60
100
100
73
75

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
55
9
45
45
40
40
4
40
42
19
19
53
100
100
100
50

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
3
5
21
27
24
34
45

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
93
93
93
93
88
85
81
79
79
81
82
85
90
88
86
86
90
88
86
90
93

Pressure (mb)

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

Ozone (du)

392
394
397
398
400
402
405
409
411
411
410
407
407
409
409
408
408
413
412
411
411
411
413
415

Sunday 25

Waxing Crescent 45%

09:59

01:11

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
01 Bad
02 Bad

Sun - Rise: 07:49, Set: 16:35, Transit: 12:12. Moon - Rise: 09:59, Set: 01:11. Civil Dark: 17:12 - 07:12. Nautical Dark: 17:54 - 06:30. Astro Dark: 18:34 - 05:50

Total Clouds (% Sky Obscured)

99
97
86
84
65
60
91
69
73
72
77
80
83
79
97
91
93
97
95
96
92
92
93
94

Low Clouds (% Sky Obscured)

85
88
62
63
61
54
78
49
56
57
62
66
65
42
60
57
65
64
64
80
81
84
86
89

Medium Clouds (% Sky Obscured)

70
77
47
56
22
12
21
21
49
44
37
3
3
16
45
89
93
83
23
22
7
10
20
24

High Clouds (% Sky Obscured)

1
19
28
2
4
10
29
55
6
6
2
29
31
54
31
40
2
1
1
2
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 (%)

56
43
26
15
7
4
18
19
19
17
17
8
3
3
4
3
3
2
1
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
91
90
90
90
91
90
88
88
90
90
91
91
91
89
91
91
91
89
91
91
89

Pressure (mb)

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

Ozone (du)

419
420
417
416
417
419
423
427
429
432
432
429
426
424
424
426
428
430
430
429
431
432
433
434

Monday 26

First Quarter 57%

10:15

02:41

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
01 Bad
02 Bad

Sun - Rise: 07:48, Set: 16:37, Transit: 12:12. Moon - Rise: 10:15, Set: 02:41. Civil Dark: 17:14 - 07:11. Nautical Dark: 17:55 - 06:29. Astro Dark: 18:35 - 05:49

Total Clouds (% Sky Obscured)

95
95
95
97
98
94
80
71
100
100
95
100
100
100
100
100
100
100
100
100
100
95
88
83

Low Clouds (% Sky Obscured)

90
91
91
94
96
94
80
71
91
94
92
90
87
89
88
92
96
100
93
87
83
78
73
70

Medium Clouds (% Sky Obscured)

20
16
12
10
7
2
2
1
0
18
37
100
100
100
100
100
100
100
100
100
100
92
79
72

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
4
25
32
43
59
71
85
100
72
50
25
46
69
87
70
54
34

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

1
1
0
2
2
0
0
1
0
0
0
1
6
6
7
52
80
95
95
95
95
77
74
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.9
0.8
0.5
0.3
0.4
0

Wind Speed/Direction (mph)

6
5
6
7
6
7
7
9
10
11
12
13
13
14
14
15
16
16
16
16
15
15
13
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
91
89
89
89
85
80
79
79
78
79
80
83
86
88
88
85
86
86
91
91
91

Pressure (mb)

998
999
999
998
999
999
999
999
998
998
997
996
996
995
994
994
993
992
990
989
988
987
987
987

Ozone (du)

433
435
438
438
440
435
433
431
439
454
458
444
426
410
405
399
395
392
387
382
376
376
376
376

Tuesday 27

Waxing Gibbous 68%

10:38

No Set

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
01 Bad
02 Bad

Sun - Rise: 07:47, Set: 16:38, Transit: 12:13. Moon - Rise: 10:38, Set: No Set. Civil Dark: 17:16 - 07:09. Nautical Dark: 17:57 - 06:28. Astro Dark: 18:37 - 05:48

Total Clouds (% Sky Obscured)

79
65
47
46
44
39
44
75
79
69
60
50
67
82
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
60
47
46
44
39
44
61
67
55
44
32
53
73
98
94
93
91
91
90
89
92
94
96

Medium Clouds (% Sky Obscured)

72
28
0
0
0
0
0
39
45
45
45
45
62
69
73
100
100
100
94
88
82
87
91
95

High Clouds (% Sky Obscured)

28
6
0
0
0
2
2
15
15
15
20
30
27
29
30
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
1
1
2
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
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
None

Precipitation Probability (%)

9
5
0
0
0
0
0
0
0
0
0
9
7
8
19
95
95
85
89
91
89
74
62
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.7
0.4
0.5
0.7
0.7
0.4
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
89
91
91
93
89
82
80
76
78
82
87
86
86
89
91
93
94
94
96
96
96
96

Pressure (mb)

988
988
988
988
989
989
989
989
989
988
988
987
986
986
986
986
981
981
981
981
981
981
982
982

Ozone (du)

381
391
400
394
383
375
374
373
374
375
375
373
374
379
381
386
391
396
401
405
410
415
418
421

Wednesday 28

Waxing Gibbous 79%

11:11

04:10

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
01 Bad
02 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)

100
100
100
100
100
100
97
95
91
80
71
63
55
51
48
46
42
52
57
66
74
73
73
74

Low Clouds (% Sky Obscured)

95
93
89
87
85
82
75
69
63
57
51
48
40
30
28
46
42
45
50
59
67
61
58
54

Medium Clouds (% Sky Obscured)

94
91
76
61
44
36
21
16
13
10
6
0
0
0
0
0
0
0
3
5
8
19
28
35

High Clouds (% Sky Obscured)

99
99
98
97
94
92
84
73
63
43
24
5
4
2
0
0
0
0
9
19
32
33
49
55

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 (%)

35
26
17
20
21
21
20
20
20
23
27
31
29
25
16
19
17
12
13
14
11
8
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
96
96
94
94
93
91
89
91
91
93
93
93
94
93
94
96
96
96
96
94
94

Pressure (mb)

983
983
984
984
985
986
987
987
988
988
989
989
990
990
991
991
991
992
992
992
991
991
991
990

Ozone (du)

424
426
428
429
432
435
438
453
469
484
491
498
506
485
464
443
419
394
370
362
353
344
343
341

Thursday 29

Waxing Gibbous 88%

12:01

05:32

Sun - Rise: 07:44, Set: 16:42, Transit: 12:13. Moon - Rise: 12:01, Set: 05:32. Civil Dark: 17:19 - 07:07. Nautical Dark: 18:00 - 06:26. Astro Dark: 18:40 - 05:46

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

Generated: 23/01/26 03:54:40. Forecast: 23/01/26 to 29/01/26. Timezone: UTC+0.00