Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 25%

12:17

20:09

11 Good
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 OK
02 Good
03 Good
04 OK
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:43, Set: 15:59, Transit: 11:50. Moon - Rise: 12:17, Set: 20:09. Civil Dark: 16:38 - 07:04. Nautical Dark: 17:20 - 06:22. Astro Dark: 18:01 - 05:41

Total Clouds (% Sky Obscured)

15
22
38
42
32
36
23
22
13
7
3
2
2
1
11
2
2
23
34
86
100
87
96
99

Low Clouds (% Sky Obscured)

15
22
38
42
32
36
23
22
13
7
3
0
0
0
0
0
0
8
7
6
20
9
0
0

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
3
11
12
6
3
20
53

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
1
5
38
44
39
51
83

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
2
6
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
78
78
79
83
85
86
89
93
93
93
93
91
92
91
92
91
91
89
89
87
86
81

Pressure (mb)

1015
1015
1015
1016
1017
1018
1018
1019
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023

Ozone (du)

302
304
306
301
299
299
295
292
293
295
295
293
290
286
286
284
286
285
286
286
284
281
280
280

Wednesday 26

Waxing Crescent 34%

12:36

21:28

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
09 Bad
10 Bad

Sun - Rise: 07:45, Set: 15:58, Transit: 11:51. Moon - Rise: 12:36, Set: 21:28. Civil Dark: 16:37 - 07:06. Nautical Dark: 17:20 - 06:23. Astro Dark: 18:00 - 05:42

Total Clouds (% Sky Obscured)

84
59
64
81
88
93
98
100
100
100
100
100
100
100
98
99
100
99
100
99
98
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
68
73
70
100
100
100
100
100
100
90
64
66
66
59
49
58
65
71
66
66

Medium Clouds (% Sky Obscured)

41
13
18
36
37
36
43
50
62
66
57
60
72
72
62
67
71
73
95
93
83
86
71
78

High Clouds (% Sky Obscured)

61
59
52
43
61
62
53
7
14
38
91
77
100
100
78
73
60
59
97
95
48
88
99
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
1
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
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
1
5
8
17
16
6
16
31
29
11
3
3
3
6
7
3
4
10

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)

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

Chance of Frost

Temperature (°C)

3
4
4
5
4
4
4
4
5
6
6
7
7
8
8
8
9
9
9
9
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

-1
-0
1
1
2
2
2
3
3
3
4
4
5
6
7
7
8
8
8
9
10
10
10
10

Relative Humidity (%)

76
75
76
79
82
89
89
93
89
83
83
82
87
87
88
93
93
95
96
96
98
98
96
98

Pressure (mb)

1022
1022
1021
1021
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1015
1014

Ozone (du)

278
277
278
277
274
273
272
270
268
266
266
265
264
264
264
262
261
260
258
258
258
258
258
258

Thursday 27

Waxing Crescent 44%

12:50

22:48

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
09 Bad
10 Bad

Sun - Rise: 07:46, Set: 15:57, Transit: 11:51. Moon - Rise: 12:50, Set: 22:48. Civil Dark: 16:36 - 07:07. Nautical Dark: 17:19 - 06:24. Astro Dark: 18:00 - 05:43

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
96
94
97
99
88
66
73
72
78
85
99
89
91
94
95
96
62

Low Clouds (% Sky Obscured)

64
66
64
60
66
66
79
77
91
84
97
68
65
57
46
41
37
4
0
12
24
31
30
27

Medium Clouds (% Sky Obscured)

81
88
90
97
97
96
100
92
3
28
10
10
0
0
0
6
23
33
43
46
43
89
46
13

High Clouds (% Sky Obscured)

85
93
100
100
66
100
100
44
45
70
52
53
22
48
63
57
42
35
36
36
35
30
49
53

ISS Passover

Visibility (miles)

0
0
9
9
9
5
7
9
9
9
8
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
16
11
19
68
82
48
10
6
37
31
16
3
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
14
14
15
15
16
16
16
15
13
13
12
10
8
7
7
7
7
7
7
8
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
90
87
87
90
95
93
95
96
96
96
92
87
88
91
93
94
93
94
94
94
94
93

Pressure (mb)

1014
1013
1013
1012
1012
1012
1012
1011
1012
1012
1012
1012
1012
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011

Ozone (du)

259
259
260
261
260
259
257
256
254
254
254
257
261
264
267
270
270
271
272
273
275
276
278
281

Friday 28

First Quarter 55%

13:02

00:09

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
09 Bad
10 Bad

Sun - Rise: 07:48, Set: 15:56, Transit: 11:51. Moon - Rise: 13:02, Set: 00:09. Civil Dark: 16:36 - 07:08. Nautical Dark: 17:18 - 06:25. Astro Dark: 17:59 - 05:45

Total Clouds (% Sky Obscured)

49
53
56
53
96
71
100
93
85
78
69
67
59
59
59
60
57
57
57
70
86
100
100
100

Low Clouds (% Sky Obscured)

23
33
48
53
71
25
9
19
29
41
39
41
30
42
53
58
57
57
57
61
66
69
77
85

Medium Clouds (% Sky Obscured)

0
13
27
45
46
53
60
59
70
63
30
55
55
50
45
45
35
30
40
60
82
100
50
78

High Clouds (% Sky Obscured)

49
53
29
0
1
5
15
20
20
20
18
30
40
50
44
35
40
38
37
50
62
74
80
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
9
5
0
0
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
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
4
20
58
68
82
59
33
0
0
0
1
3
15
28
55
49
37
23
8
24
39
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
81
81
84
84
88
90
93
94
96
96
93
93
90
85
85
88
90
93
91
96
94
96

Pressure (mb)

1010
1010
1009
1008
1007
1008
1008
1008
1008
1008
1008
1007
1007
1006
1005
1005
1004
1003
1003
1002
1002
1003
1003
1003

Ozone (du)

282
282
284
285
287
291
292
294
296
298
300
302
304
306
308
309
308
310
315
323
328
331
335
340

Saturday 29

Waxing Gibbous 66%

13:13

01:31

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
09 Bad
10 Bad

Sun - Rise: 07:49, Set: 15:55, Transit: 11:52. Moon - Rise: 13:13, Set: 01:31. Civil Dark: 16:35 - 07:10. Nautical Dark: 17:18 - 06:27. Astro Dark: 17:59 - 05:46

Total Clouds (% Sky Obscured)

100
100
85
81
100
100
99
88
67
81
100
100
99
90
83
76
89
82
83
85
84
87
71
53

Low Clouds (% Sky Obscured)

95
95
85
81
93
92
83
81
67
78
79
75
68
73
78
76
80
76
73
78
83
87
71
53

Medium Clouds (% Sky Obscured)

100
100
67
63
100
99
98
77
67
81
100
94
95
85
70
52
37
25
14
6
2
0
0
0

High Clouds (% Sky Obscured)

75
75
75
81
90
90
90
60
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
6
9
9
9
9
9
9
9
9
8
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

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

Precipitation Probability (%)

60
82
95
95
95
95
95
95
92
79
81
73
61
71
45
20
15
7
2
6
3
0
3
2

Precipitation Amount (mm)

0.3
0.5
0.7
1
1.3
1.4
1
0.6
0.4
0.4
0.5
0.4
0.3
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
10
10
11
10
10
10
12
14
16
14
13
14
14
14
14
14
13
12
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
81
81
81
81
83
85
86
88
89
94
88
82
85
86
88
88
86
86
86
85
83
80

Pressure (mb)

1003
1002
1002
1001
1000
1000
1000
1000
1001
1001
1001
1002
1003
1003
1004
1004
1005
1006
1006
1007
1007
1008
1008
1009

Ozone (du)

344
344
347
347
348
349
349
347
347
346
346
343
341
337
336
334
332
335
338
340
339
337
336
333

Sunday 30

Waxing Gibbous 77%

13:25

02:57

11 OK
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
09 Bad
10 Bad

Sun - Rise: 07:51, Set: 15:55, Transit: 11:52. Moon - Rise: 13:25, Set: 02:57. Civil Dark: 16:34 - 07:11. Nautical Dark: 17:17 - 06:28. Astro Dark: 17:58 - 05:47

Total Clouds (% Sky Obscured)

37
53
72
84
74
75
81
88
88
87
89
91
92
91
91
90
89
93
97
95
94
91
92
92

Low Clouds (% Sky Obscured)

37
45
46
45
39
32
26
18
9
0
22
49
76
75
72
72
74
77
82
83
83
82
80
77

Medium Clouds (% Sky Obscured)

0
18
37
55
46
42
10
32
58
85
84
83
82
83
79
74
76
74
78
74
75
72
76
82

High Clouds (% Sky Obscured)

0
4
8
13
12
9
7
8
8
10
13
10
8
10
17
20
20
15
15
25
35
40
55
55

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
2
2
0
0
2
2
10
9
1
3
7
12
30
38
46
57
75
95
95
85
71
60
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.7
0.5
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
2
2
2
1
1
1
1
1
1
1
2
2
2
3
4
4
5
5
6
7

Relative Humidity (%)

75
71
73
76
79
80
83
85
85
86
86
88
88
89
89
89
89
89
93
93
94
94
94
96

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1007
1007
1006
1005
1004
1003
1002
1000
999
998
998
996

Ozone (du)

331
329
325
321
317
315
313
310
309
308
306
302
298
294
290
287
283
280
276
273
271
270
268
267

Monday 1

Waxing Gibbous 86%

13:37

04:28

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: 07:52, Set: 15:54, Transit: 11:52. Moon - Rise: 13:37, Set: 04:28. Civil Dark: 16:34 - 07:12. Nautical Dark: 17:17 - 06:29. Astro Dark: 17:58 - 05:48

Total Clouds (% Sky Obscured)

92
76
59
42
40
38
39
47
51
55
71
84
94
95
98
100
86
69
53

Low Clouds (% Sky Obscured)

72
59
48
36
33
31
28
34
39
44
56
70
81
83
86
86
74
61
51

Medium Clouds (% Sky Obscured)

84
73
54
40
40
38
39
32
17
0
14
27
40
56
73
91
68
40
14

High Clouds (% Sky Obscured)

60
55
55
42
40
38
39
47
26
0
16
25
38
23
19
13
8
3
0

ISS Passover

Visibility (miles)

3
0
3
6
9
8
6
5
6
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

Precipitation Type

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

Precipitation Probability (%)

47
52
50
49
50
55
68
63
50
33
29
29
33
28
22
15
19
25
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
15
15
17
20
21
21
22
23
24
26
25
23
24
23
22
21
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
93
90
87
88
91
91
90
85
82
84
85
87
85
84
82
82
82

Pressure (mb)

995
993
992
992
991
990
990
989
989
989
989
990
990
991
992
993
993
994
995

Ozone (du)

267
266
267
268
270
273
276
279
286
294
301
304
306
308
310
312
314
313
312

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

Generated: 25/11/25 11:28:37. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+0.00