Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 2

Waxing Gibbous 94%

14:00

04:30

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

Sun - Rise: 07:53, Set: 16:00, Transit: 11:56. Moon - Rise: 14:00, Set: 04:30. Civil Dark: 16:39 - 07:13. Nautical Dark: 17:22 - 06:31. Astro Dark: 18:02 - 05:51

Total Clouds (% Sky Obscured)

98
25
100
100
95
72
0
0
1
1
1
1
1
38
98
98
98
100
28
38
3
61
54
35

Low Clouds (% Sky Obscured)

53
26
18
20
27
28
24
28
25
30
33
31
33
41
30
35
62
80
84
61
44
45
37
35

Medium Clouds (% Sky Obscured)

60
100
100
95
54
12
0
0
0
1
30
32
59
76
79
100
95
67
90
20
7
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
100
100
0
100
0
0
100
0
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
93
90
90
90
94
96
94
95
86
84
78
80
82
81
87
93
100
100
100
94
94
94

Pressure (mb)

996
997
998
998
998
999
999
1000
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1004

Ozone (du)

294
298
298
299
304
306
304
301
300
302
303
303
301
299
300
300
299
297
297
297
298
298
297
296

Wednesday 3

Waxing Gibbous 98%

14:23

06:04

00 OK
01 OK
02 Bad
03 Bad
04 OK
05 OK
06 OK
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

Sun - Rise: 07:54, Set: 16:00, Transit: 11:57. Moon - Rise: 14:23, Set: 06:04. Civil Dark: 16:39 - 07:15. Nautical Dark: 17:21 - 06:32. Astro Dark: 18:02 - 05:52

Total Clouds (% Sky Obscured)

35
37
40
39
38
35
37
43
45
42
40
67
56
63
58
54
96
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
37
38
39
38
35
37
43
45
42
40
67
56
63
58
54
66
68
67
69
68
70
72
67

Medium Clouds (% Sky Obscured)

0
11
0
0
1
0
0
0
0
0
0
0
0
0
0
0
52
71
100
100
100
100
99
81

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
92
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
9
9
9
9
9
9
9
8

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
1
0
0
0
0
0
0
0
0
1
2
5
20
5
4
0
0
0
0
2
3
22
51

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)

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

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
3
3
3
4
6
7
7
8
8
8
7
6
6
6
6
6
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
91
91
91
91
89
89
91
88
85
82
84
84
87
91
94
94
93
91
88
86
88

Pressure (mb)

1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1007
1007
1006
1006
1006
1006
1006
1005
1005
1004
1003
1002

Ozone (du)

298
301
302
303
306
305
299
296
295
295
297
294
291
289
291
294
293
291
296
301
301
298
300
305

Thursday 4

Full Moon 100%

14:58

07:40

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
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 Bad
23 Bad

Sun - Rise: 07:55, Set: 15:59, Transit: 11:57. Moon - Rise: 14:58, Set: 07:40. Civil Dark: 16:38 - 07:16. Nautical Dark: 17:21 - 06:33. Astro Dark: 18:01 - 05:53

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
49
50
50
49
44
58
58
52
34
28
99
41

Low Clouds (% Sky Obscured)

69
78
86
99
100
100
67
25
29
39
48
46
49
50
50
49
44
58
58
52
34
28
22
5

Medium Clouds (% Sky Obscured)

90
70
83
83
66
99
100
100
100
100
76
31
4
5
38
49
44
40
40
45
34
3
39
20

High Clouds (% Sky Obscured)

100
98
79
100
81
79
100
100
100
76
55
45
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
9
3
9
9
9
9
9
9
9
9
9
9
8
6
6
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
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

66
88
67
95
95
66
14
3
1
0
13
39
34
48
51
26
15
0
0
1
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
15
17
15
12
14
12
11
12
10
10
10
12
11
10
8
6
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
91
87
93
87
91
91
90
91
88
83
81
81
84
87
91
91
93
93
91
89
91
89

Pressure (mb)

1001
999
998
998
998
997
996
997
998
998
999
999
999
999
1000
1000
1001
1001
1002
1003
1003
1004
1004
1005

Ozone (du)

303
304
309
315
321
327
331
335
335
337
340
342
351
358
360
363
364
373
381
379
377
376
378
377

Friday 5

Waning Gibbous 100%

15:51

09:07

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:56, Set: 15:59, Transit: 11:58. Moon - Rise: 15:51, Set: 09:07. Civil Dark: 16:38 - 07:17. Nautical Dark: 17:21 - 06:34. Astro Dark: 18:01 - 05:54

Total Clouds (% Sky Obscured)

53
68
96
84
74
65
98
95
93
100
100
100
98
100
97
97
100
100
98
95
94
92
60
69

Low Clouds (% Sky Obscured)

0
48
68
29
16
4
10
6
2
2
59
75
73
86
89
96
100
98
90
83
59
48
56
65

Medium Clouds (% Sky Obscured)

53
45
23
9
10
39
98
95
93
100
100
100
95
79
90
96
25
35
97
91
93
90
14
11

High Clouds (% Sky Obscured)

0
0
1
48
34
15
19
25
19
15
50
75
39
32
2
1
1
2
1
5
20
3
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
5
9
9
0
1
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

1
6
9
1
0
0
0
0
0
1
22
25
65
95
95
95
71
95
95
92
66
54
52
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1.3
0.6
0
0.9
1.4
0.7
0.2
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
7
7
7
7
8
10
12
15
19
22
25
25
27
28
23
17
18
17
17
17

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
4
4
4
5
6
6
7
7
6
6
6
7
7
9
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
86
88
85
85
85
85
82
82
84
79
87
90
93
93
94
96
96
90
90
90
91

Pressure (mb)

1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1004
1002
1001
1000
998
996
995
994
993
992
992
992
992

Ozone (du)

377
365
363
355
346
335
334
328
323
318
314
309
305
299
295
292
292
293
291
295
300
304
313
320

Saturday 6

Waning Gibbous 98%

17:03

10:15

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:58, Set: 15:58, Transit: 11:58. Moon - Rise: 17:03, Set: 10:15. Civil Dark: 16:38 - 07:18. Nautical Dark: 17:21 - 06:35. Astro Dark: 18:01 - 05:55

Total Clouds (% Sky Obscured)

88
94
88
94
96
84
91
100
100
100
100
100
100
100
93
99
98
97
95
91
88
93
96
100

Low Clouds (% Sky Obscured)

71
70
68
76
83
84
87
85
81
84
82
81
83
86
78
87
87
86
84
83
81
79
70
67

Medium Clouds (% Sky Obscured)

23
87
68
81
84
48
50
100
98
61
60
81
92
99
67
63
57
50
32
16
10
8
8
45

High Clouds (% Sky Obscured)

0
2
0
31
60
84
91
100
100
100
97
87
86
86
81
76
68
64
45
23
4
40
72
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

47
21
10
14
19
25
37
46
58
48
42
38
46
43
34
31
25
16
19
19
6
10
9
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
19
18
18
18
18
18
19
20
22
22
22
22
21
21
20
21
21
20
20
19
18
16
15

Chance of Frost

Temperature (°C)

9
9
9
9
9
8
8
8
9
9
9
9
10
10
10
10
10
10
9
9
9
9
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
84
85
87
84
84
84
82
84
82
82
85
87
82
81
78
81
84
80
80
82
85
90

Pressure (mb)

992
992
993
993
993
993
993
993
993
993
994
994
995
995
996
996
997
998
999
1000
1001
1002
1003
1003

Ozone (du)

320
312
307
305
302
303
299
298
300
299
298
300
302
305
304
301
300
300
300
300
297
294
292
292

Sunday 7

Waning Gibbous 93%

18:29

11:01

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:59, Set: 15:58, Transit: 11:58. Moon - Rise: 18:29, Set: 11:01. Civil Dark: 16:38 - 07:19. Nautical Dark: 17:20 - 06:36. Astro Dark: 18:01 - 05:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88
76
60

Low Clouds (% Sky Obscured)

55
59
50
46
43
45
62
81
100
92
85
77
85
92
99
82
64
46
50
54
58
58
58
60

Medium Clouds (% Sky Obscured)

53
77
100
100
100
100
86
98
85
79
87
91
90
92
94
95
96
98
94
92
88
88
76
60

High Clouds (% Sky Obscured)

100
100
100
91
80
72
83
91
100
100
100
100
100
99
99
99
99
100
98
96
95
65
33
1

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

12
26
53
85
87
62
55
51
33
25
21
17
22
33
45
76
83
74
48
30
27
62
84
95

Precipitation Amount (mm)

0
0
0
0.5
0.6
0.3
0.3
0.2
0
0
0
0
0
0
0
0.4
0.5
0.4
0
0
0
0.4
0.7
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
93
93
95
95
96
95
95
95
96
93
89
90
92
91
93
93
95
95
93
93
93
95

Pressure (mb)

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

Ozone (du)

294
294
293
292
292
295
299
299
299
301
302
303
304
303
303
303
305
306
308
309
310
310
313
316

Monday 8

Waning Gibbous 86%

19:58

11:31

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:00, Set: 15:58, Transit: 11:59. Moon - Rise: 19:58, Set: 11:31. Civil Dark: 16:37 - 07:20. Nautical Dark: 17:20 - 06:37. Astro Dark: 18:01 - 05:57

Total Clouds (% Sky Obscured)

52
43
34
52
70
90
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

51
43
34
39
41
45
50
54
58
51
49
47
50
53
53
49
42
34
45
56
67
75
83
91

Medium Clouds (% Sky Obscured)

52
28
5
11
18
24
34
46
61
53
43
33
47
57
60
77
88
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

1
1
2
23
43
64
76
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

74
58
26
16
13
4
5
4
2
30
43
61
49
31
3
10
19
27
50
63
75
88
95
95

Precipitation Amount (mm)

0.4
0.2
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0.3
0.4
0.6
0.7
1

Wind Speed/Direction (mph)

10
10
9
9
10
10
10
12
13
14
14
15
16
15
14
13
12
10
9
9
9
9
12
15

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
8
8
8
9
9
10
11
11
11
11
10
10
9
9
9
9
10
10

Feels Like (°C)

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

Dew Point (°C)

8
8
7
6
6
6
6
6
7
7
8
8
9
9
9
9
9
8
8
8
8
8
9
9

Relative Humidity (%)

95
93
88
85
87
87
88
88
88
88
88
88
88
88
90
90
91
91
93
93
95
95
95
95

Pressure (mb)

1006
1007
1007
1008
1008
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1012
1012
1011
1011
1010
1009
1008

Ozone (du)

319
318
317
316
319
321
324
324
323
323
321
319
317
317
316
316
316
317
317
314
311
309
304
299

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 02/12/25 23:14:27. Forecast: 02/12/25 to 08/12/25. Timezone: UTC+0.00