Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 8%

09:18

18:25

17 OK
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
16 Bad

Sun - Rise: 07:59, Set: 16:32, Transit: 12:15. Moon - Rise: 09:18, Set: 18:25. Civil Dark: 17:08 - 07:20. Nautical Dark: 17:50 - 06:38. Astro Dark: 18:31 - 05:58

Total Clouds (% Sky Obscured)

35
53
64
72
97
100
100
100
100
100
80
62
88
74
97
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
53
64
72
94
94
89
69
86
69
80
62
83
74
72
72
70
100
100
100
100
100
98
91

Medium Clouds (% Sky Obscured)

22
20
64
72
88
100
100
100
100
100
41
0
60
20
95
92
100
50
100
100
100
100
100
90

High Clouds (% Sky Obscured)

35
53
64
72
54
100
100
47
34
0
0
0
0
0
2
6
64
79
100
100
99
100
100
98

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
91
95
95
95
95
38
17
8
3
1
7
34
70
85
94
95
95
95
91
94
68

Precipitation Amount (mm)

0
0
0
0.7
0.8
1.1
1.4
0.8
0
0
0
0
0
0
0
0.6
0.7
0.6
0.9
1.8
1.4
0.5
0.8
0.3

Wind Speed/Direction (mph)

15
16
17
18
19
18
18
15
11
11
9
9
10
11
11
14
13
15
19
20
20
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
88
91
91
91
93
91
91
90
94
94
94
94
91
93
94
94
91
93
93
93
93

Pressure (mb)

1004
1003
1003
1002
1001
1000
999
998
998
998
997
997
996
995
995
994
993
991
990
989
988
987
987
987

Ozone (du)

335
331
331
335
337
337
335
337
350
360
367
362
354
357
363
370
373
375
378
379
379
378
377
377

Wednesday 21

Waxing Crescent 15%

09:29

19:45

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
16 Bad

Sun - Rise: 07:57, Set: 16:33, Transit: 12:15. Moon - Rise: 09:29, Set: 19:45. Civil Dark: 17:10 - 07:19. Nautical Dark: 17:52 - 06:38. Astro Dark: 18:32 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
99
99
100
100
100
100
100
100
100
99
100
99
100
100
99
100
100
100
100
90
98

Low Clouds (% Sky Obscured)

100
100
92
95
98
90
100
90
84
90
100
98
95
99
85
84
88
90
89
88
100
100
83
96

Medium Clouds (% Sky Obscured)

96
100
90
98
95
95
90
90
71
62
66
68
78
100
97
66
71
66
70
77
78
62
55
59

High Clouds (% Sky Obscured)

98
54
100
79
70
100
100
100
99
100
100
100
29
94
81
43
20
1
28
5
2
37
60
60

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

59
56
42
49
47
44
23
28
29
34
32
28
32
38
21
34
45
38
28
26
35
43
32
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
19
19
18
18
17
17
16
14
14
14
13
13
13
13
13
14
14
14
15
15
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

987
988
988
988
988
988
988
988
988
989
989
989
989
989
989
989
989
989
989
989
988
988
988
988

Ozone (du)

375
373
372
371
368
367
362
359
355
353
353
355
357
358
359
361
366
373
376
377
375
376
374
376

Thursday 22

Waxing Crescent 23%

09:40

21:05

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
16 Bad

Sun - Rise: 07:56, Set: 16:35, Transit: 12:16. Moon - Rise: 09:40, Set: 21:05. Civil Dark: 17:11 - 07:18. Nautical Dark: 17:53 - 06:37. Astro Dark: 18:33 - 05:56

Total Clouds (% Sky Obscured)

94
93
91
93
91
97
86
95
100
97
88
76
100
100
97
99
100
100
100
100
70
59
59
53

Low Clouds (% Sky Obscured)

88
88
90
93
91
92
84
80
92
91
82
30
58
80
74
76
76
93
80
78
70
59
59
53

Medium Clouds (% Sky Obscured)

49
62
40
46
45
27
20
66
87
82
80
76
100
100
94
96
100
100
100
96
60
44
42
36

High Clouds (% Sky Obscured)

17
0
0
2
2
34
17
29
37
40
40
44
52
53
28
80
100
68
76
63
23
1
1
1

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
1
0
0
0
0
1
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

38
11
8
13
25
14
8
2
4
9
4
2
5
12
60
58
60
72
38
19
16
22
15
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
6
6
6
6
6
6
6
6
6
5
5
5
5
5
6
6
7
7
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

988
989
989
989
989
989
989
988
988
988
988
987
987
987
987
987
987
987
987
987
987
987
987
988

Ozone (du)

372
374
379
383
377
373
372
371
371
368
367
368
370
373
374
374
375
376
381
382
383
385
384
383

Friday 23

Waxing Crescent 34%

09:51

22:26

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
16 Bad

Sun - Rise: 07:55, Set: 16:37, Transit: 12:16. Moon - Rise: 09:51, Set: 22:26. Civil Dark: 17:13 - 07:17. Nautical Dark: 17:55 - 06:35. Astro Dark: 18:35 - 05:55

Total Clouds (% Sky Obscured)

55
48
45
36
61
51
76
90
93
97
93
89
85
89
93
97
98
100
100
84
63
51
73
75

Low Clouds (% Sky Obscured)

54
48
45
36
61
51
72
79
77
75
76
77
77
78
65
77
75
87
88
73
53
50
69
58

Medium Clouds (% Sky Obscured)

33
19
10
0
2
2
10
40
52
60
78
69
55
46
49
27
56
54
60
40
19
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
4
6
23
31
40
59
81
81
59
79
75
52
28
5
3
24

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
8
7
3
5
3
1
4
12
5
12
12
3
1
2
1
4
4
4
3
3
7
6
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
86
88
86
88
89
89
83
86
88
89
89
89
86
91
93
91
85
82
79
81
79
79

Pressure (mb)

988
988
989
989
989
990
990
990
991
991
992
992
992
993
993
994
994
995
995
995
995
995
995
996

Ozone (du)

385
389
391
395
398
398
399
399
400
402
402
403
403
402
401
402
403
403
404
405
403
402
403
401

Saturday 24

Waxing Crescent 32%

10:03

23:49

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
16 Bad

Sun - Rise: 07:54, Set: 16:39, Transit: 12:16. Moon - Rise: 10:03, Set: 23:49. Civil Dark: 17:15 - 07:16. Nautical Dark: 17:56 - 06:34. Astro Dark: 18:36 - 05:54

Total Clouds (% Sky Obscured)

76
73
72
71
71
70
70
75
62
89
74
93
84
82
83
93
98
99
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

68
70
67
63
64
60
57
64
62
77
74
82
84
82
83
93
96
98
100
100
100
100
99
98

Medium Clouds (% Sky Obscured)

2
6
40
45
50
18
2
5
2
17
10
24
33
62
37
32
43
45
49
65
77
84
78
76

High Clouds (% Sky Obscured)

25
25
25
15
10
10
10
10
1
25
2
25
14
20
13
5
4
5
5
12
19
25
24
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
1
4
6
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 (%)

11
7
4
0
0
0
0
0
0
0
0
0
0
24
27
30
24
17
7
23
33
41
36
30

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
12
11
11
10
11
11
10
10
10
11
12
12
13
14
14
13
13
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
76
76
77
80
89
96
96
98
98
96
96
96
96
94
94
89
86
82
82
83
85
83

Pressure (mb)

996
996
997
997
997
998
998
998
998
999
999
999
999
999
997
998
998
999
999
999
1000
1000
1000
1000

Ozone (du)

401
400
400
401
402
403
405
406
408
408
411
411
411
411
411
412
412
413
413
414
413
412
411
410

Sunday 25

Waxing Crescent 45%

10:19

01:15

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
16 Bad

Sun - Rise: 07:52, Set: 16:40, Transit: 12:16. Moon - Rise: 10:19, Set: 01:15. Civil Dark: 17:16 - 07:15. Nautical Dark: 17:58 - 06:33. Astro Dark: 18:38 - 05:53

Total Clouds (% Sky Obscured)

97
98
99
100
100
99
99
98
97
97
98
99
100
98
97
95
97
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
97
99
100
100
99
99
98
97
96
97
98
100
97
92
87
89
89
90
93
96
98
99
100

Medium Clouds (% Sky Obscured)

80
93
94
96
93
89
76
62
56
69
69
70
70
65
57
49
38
27
30
36
55
67
76
85

High Clouds (% Sky Obscured)

5
6
6
6
5
3
2
1
2
1
2
2
2
1
1
0
0
0
0
15
33
55
59
63

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 (%)

23
20
18
17
18
18
16
22
22
19
15
8
2
7
7
0
0
0
0
0
1
1
2
2

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)

12
11
11
10
9
9
9
8
8
8
7
7
7
7
7
7
7
8
9
10
10
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
76
79
79
79
77
77
76
74
73
72
73
73
73
73
74
74
73
72
69
73
76
80
82

Pressure (mb)

1001
1001
1002
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1002
1002
1001
1000
999
998

Ozone (du)

409
407
406
405
404
403
402
402
405
408
411
411
412
412
411
410
409
409
408
408
409
409
410
415

Monday 26

First Quarter 57%

10:41

02:45

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: 07:51, Set: 16:42, Transit: 12:16. Moon - Rise: 10:41, Set: 02:45. Civil Dark: 17:18 - 07:13. Nautical Dark: 17:59 - 06:32. Astro Dark: 18:39 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
96
96
98
99
100
100
99
98
95
95
91
91
91

Low Clouds (% Sky Obscured)

100
100
100
100
89
78
69
67
68
76
81
79
76
68
58
49
56
64
70

Medium Clouds (% Sky Obscured)

95
94
93
92
93
92
93
86
81
75
80
84
88
86
84
70
77
83
89

High Clouds (% Sky Obscured)

72
59
54
40
40
40
40
35
35
20
13
3
3
3
4
4
4
4
7

ISS Passover

Visibility (miles)

9
9
6
3
0
0
0
0
0
0
0
3
6
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
34
52
67
88
95
95
92
72
53
50
43
28
23
15
1
5
8
10

Precipitation Amount (mm)

0
0
0.2
0.3
0.5
0.7
0.8
0.5
0.3
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
91
94
98
98
98
98
98
98
98
94
94
92
91
91
91
91
93

Pressure (mb)

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

Ozone (du)

420
425
427
428
430
422
414
407
410
413
416
420
423
427
427
426
425
419
412

Forecast for Nether Heyford, Northamptonshire, United Kingdom (52.22,-1.04)

Generated: 20/01/26 17:39:09. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+0.00