Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Gibbous 54%

00:06

10:41

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
03 OK
04 OK
05 Good
06 Bad
07 Bad
08 OK

Sun - Rise: 08:08, Set: 16:12, Transit: 12:10. Moon - Rise: 00:06, Set: 10:41. Civil Dark: 16:52 - 07:29. Nautical Dark: 17:35 - 06:46. Astro Dark: 18:16 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
97
97
100
100
100
100
100
100
100
100
96
82
70
50
45
41
13
0
68
69
34

Low Clouds (% Sky Obscured)

65
72
76
73
65
62
54
52
54
57
65
66
68
57
62
49
33
27
27
13
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
90
87
93
100
100
100
100
100
96
76
63
54
42
12
6
6
6
4
0
24
24
16

High Clouds (% Sky Obscured)

28
25
42
43
67
91
100
100
100
100
90
32
24
30
38
10
18
14
4
3
0
0
0
0

ISS Passover

Visibility (miles)

0
9
9
8
5
9
9
9
6
4
6
4
1
8
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 (%)

43
12
9
9
10
14
5
8
16
19
20
23
15
2
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)

18
17
17
17
18
18
17
16
16
15
14
14
13
13
13
13
11
11
10
9
8
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
94
94
96
96
96
93
93
93
94
94
94
96
91
84
83
83
81
83
92
92
91
92
92

Pressure (mb)

993
994
995
996
996
997
998
999
1000
1001
1002
1003
1005
1006
1007
1008
1009
1010
1011
1011
1012
1012
1013
1014

Ozone (du)

391
391
390
393
399
398
399
398
400
399
394
387
385
384
381
377
378
377
385
389
386
382
379
378

Saturday 10

Third Quarter 44%

01:19

10:51

09 OK
10 OK
11 Bad
12 OK
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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:08, Set: 16:13, Transit: 12:11. Moon - Rise: 01:19, Set: 10:51. Civil Dark: 16:53 - 07:28. Nautical Dark: 17:36 - 06:45. Astro Dark: 18:17 - 06:04

Total Clouds (% Sky Obscured)

36
36
70
21
49
68
75
86
94
96
95
94
100
100
94
100
100
98
82
90
82
100
99
100

Low Clouds (% Sky Obscured)

6
20
58
21
40
64
25
67
69
72
92
92
100
100
87
78
82
63
58
61
49
66
70
74

Medium Clouds (% Sky Obscured)

16
15
18
0
0
0
25
28
35
51
50
48
50
33
52
94
99
94
67
79
65
89
97
98

High Clouds (% Sky Obscured)

0
0
3
3
49
30
37
55
55
50
50
38
67
63
69
89
59
60
45
50
49
100
65
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
3
14
56
100
100
98
93
80
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
1
3
7
5
7
5
4
0
0
0
0
0
0
0
0
0
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)

5
5
6
6
5
4
4
4
3
3
2
4
5
6
6
7
8
8
9
10
11
11
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
87
86
84
83
86
89
91
91
91
89
89
91
92
91
92
92
91
91
89
89
89
88
86

Pressure (mb)

1015
1016
1017
1017
1017
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1019
1018
1018
1017
1016

Ozone (du)

376
370
368
363
360
357
351
347
344
340
338
336
332
327
318
318
317
314
313
314
310
308
307
308

Sunday 11

Waning Crescent 35%

02:34

11:03

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:07, Set: 16:15, Transit: 12:11. Moon - Rise: 02:34, Set: 11:03. Civil Dark: 16:54 - 07:27. Nautical Dark: 17:37 - 06:45. Astro Dark: 18:18 - 06:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
97
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
88
93
95
100
100
100
100
100
100
100
100
93
82
71
77
77
68
65
69
73
74
75
69

Medium Clouds (% Sky Obscured)

99
100
96
99
100
100
96
88
100
100
100
100
62
98
86
79
75
84
77
87
98
83
92
94

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
40
40
72
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
0
0
7
4
0
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
25
28
45
55
36
19
6
16
95
87
91
82
95
95
26
19
1
0
0
4
1
4
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.9
0.5
0.8
0.5
1.6
1
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
17
18
20
20
20
20
21
21
21
21
20
21
18
19
13
12
15
15
16
16
16
15
15

Chance of Frost

Temperature (°C)

1
2
2
3
4
4
5
5
6
6
7
7
8
9
10
9
10
10
9
9
9
9
9
9

Feels Like (°C)

-5
-5
-5
-5
-4
-4
-3
-2
-1
-1
0
1
2
4
4
6
6
4
4
4
3
3
4
4

Dew Point (°C)

-1
-1
-1
-0
2
3
4
5
5
6
6
7
7
8
9
9
9
8
8
7
7
7
7
7

Relative Humidity (%)

86
84
81
80
88
89
91
94
96
98
96
96
96
98
95
96
96
87
88
88
88
88
88
88

Pressure (mb)

1016
1015
1014
1012
1010
1009
1008
1007
1006
1004
1003
1002
1001
1000
1000
1000
1000
1000
1000
1000
999
999
999
999

Ozone (du)

308
310
314
314
313
309
307
305
305
307
308
313
317
318
319
320
320
319
317
314
312
312
315
318

Monday 12

Waning Crescent 26%

03:48

11:17

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:06, Set: 16:16, Transit: 12:12. Moon - Rise: 03:48, Set: 11:17. Civil Dark: 16:56 - 07:27. Nautical Dark: 17:38 - 06:44. Astro Dark: 18:19 - 06:03

Total Clouds (% Sky Obscured)

96
98
100
92
85
73
74
59
40
77
93
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
77
84
80
74
60
67
57
40
67
72
76
72
68
54
60
61
64
64
70
86
84
83
81

Medium Clouds (% Sky Obscured)

55
76
100
81
41
5
3
0
0
20
37
45
40
73
55
67
67
64
87
73
65
77
89
100

High Clouds (% Sky Obscured)

87
79
86
60
32
7
0
0
0
1
20
20
47
77
100
100
100
100
100
100
100
100
76
100

ISS Passover

Visibility (miles)

9
9
7
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
1
0
2
1

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

5
27
44
69
49
27
24
12
0
0
1
0
0
0
0
0
0
0
0
0
1
10
44
65

Precipitation Amount (mm)

0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
10
9
9
9
10
9
9
8
8
8
8
8
8
7
7
7
7
7
7
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
85
88
90
88
88
85
90
91
88
88
90
93
93
94
98
96
98
100
100
98
98
98

Pressure (mb)

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

Ozone (du)

321
324
326
327
333
334
330
330
326
325
323
321
322
321
320
323
324
325
325
326
324
324
325
327

Tuesday 13

Waning Crescent 18%

05:01

11:35

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:05, Set: 16:18, Transit: 12:12. Moon - Rise: 05:01, Set: 11:35. Civil Dark: 16:57 - 07:26. Nautical Dark: 17:40 - 06:43. Astro Dark: 18:21 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
94
89
83
59
57
49
42
37
29

Low Clouds (% Sky Obscured)

80
78
77
84
91
99
98
97
96
97
99
100
96
92
88
78
67
57
55
52
49
42
34
26

Medium Clouds (% Sky Obscured)

100
100
92
100
100
73
67
100
90
98
100
99
94
89
86
63
40
17
12
7
2
3
4
5

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
77
29
1
1
1
0
1
1
2
2
1
1

ISS Passover

Visibility (miles)

1
7
8
7
8
9
8
8
9
9
9
9
9
9
8
9
9
9
9
9
8
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
45
33
40
45
66
89
92
89
80
75
75
74
66
47
55
41
24
25
22
21
28
27
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
96
96
96
96
96
95
95
96
96
95
96
96
94
93
90
93
93
94
94
94

Pressure (mb)

1002
1002
1002
1001
1000
999
999
999
999
999
999
999
999
1000
1000
1001
1001
1002
1003
1003
1004
1005
1005
1006

Ozone (du)

331
333
334
335
335
339
342
344
347
352
353
352
357
356
353
352
349
346
343
350
356
363
367
371

Wednesday 14

Waning Crescent 17%

06:09

12:00

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 08:04, Set: 16:19, Transit: 12:12. Moon - Rise: 06:09, Set: 12:00. Civil Dark: 16:58 - 07:25. Nautical Dark: 17:41 - 06:43. Astro Dark: 18:22 - 06:02

Total Clouds (% Sky Obscured)

53
78
100
96
92
90
94
97
100
99
98
97
98
98
100
100
100
100
95
91
89
88
87
84

Low Clouds (% Sky Obscured)

21
16
12
11
19
27
50
73
96
78
60
42
55
74
95
96
93
94
89
81
72
72
72
72

Medium Clouds (% Sky Obscured)

10
15
21
31
39
46
37
31
4
0
0
0
18
39
60
76
85
90
78
61
51
56
67
71

High Clouds (% Sky Obscured)

24
50
70
47
23
0
23
50
80
88
93
95
95
97
99
72
48
23
22
18
18
16
11
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
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
None
None
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

22
20
14
12
10
7
7
7
2
5
6
4
8
16
28
43
51
53
41
33
38
66
82
89

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005

Ozone (du)

376
369
361
354
349
344
339
336
333
331
338
346
353
357
361
365
367
369
371
376
380
384
387
390

Thursday 15

Waning Crescent 11%

07:07

12:36

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
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:04, Set: 16:21, Transit: 12:13. Moon - Rise: 07:07, Set: 12:36. Civil Dark: 17:00 - 07:25. Nautical Dark: 17:42 - 06:42. Astro Dark: 18:23 - 06:02

Total Clouds (% Sky Obscured)

89
94
100
99
98
97
97
96
93
89
87
84
74
63
55
70
55
50
60
84
90

Low Clouds (% Sky Obscured)

71
70
69
73
78
82
87
92
93
89
87
84
74
63
55
70
55
50
60
67
57

Medium Clouds (% Sky Obscured)

80
90
98
85
77
67
58
53
58
51
41
30
23
28
30
35
35
45
50
65
65

High Clouds (% Sky Obscured)

21
40
56
55
50
50
55
50
20
20
15
15
20
35
35
65
55
50
60
84
90

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

Fog (%)

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

Precipitation Probability (%)

69
41
11
20
27
30
35
43
51
68
79
85
71
58
49
49
45
35
30
31
33

Precipitation Amount (mm)

0.4
0
0
0
0
0
0
0
0
0.3
0.5
0.5
0.4
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
93
90
90
88
88
90
91
93
93
93
94
93
93
94
94
93
94
93
94

Pressure (mb)

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

Ozone (du)

392
391
389
388
387
386
385
384
383
382
383
384
384
382
380
377
372
367
362
359
356

Forecast for Northampton, Northamptonshire, United Kingdom (52.24,-0.89)

Generated: 09/01/26 09:50:38. Forecast: 09/01/26 to 15/01/26. Timezone: UTC+0.00