Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 3

Waning Gibbous 60%

23:05

12:55

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

Sun - Rise: 07:54, Set: 16:00, Transit: 11:57. Moon - Rise: 23:05, Set: 12:55. Civil Dark: 16:39 - 07:15. Nautical Dark: 17:21 - 06:32. Astro Dark: 18:02 - 05:52

Total Clouds (% Sky Obscured)

91
93
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

100
100
100
100
46
53
100
90
100
100
100
100
100
85
99
100
92
98
91
76
54
77
52
81

High Clouds (% Sky Obscured)

100
100
100
65
0
30
92
89
100
96
98
100
100
80
93
100
100
100
60
60
60
65
88
79

ISS Passover

Visibility (miles)

4
2
3
4
3
3
1
0
0
0
0
2
1
9
4
1
0
0
0
0
0
0
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
10
0
0
0
0
0
0
2
47
13
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

95
95
95
95
86
76
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
90
72
54

Precipitation Amount (mm)

0.7
1.1
2.1
1.1
0.5
0.4
1.4
0.6
1
2.4
1.8
2.5
1.3
1.1
1.1
0.8
0.7
0.8
0.9
1
1
0.8
0.4
0

Wind Speed/Direction (mph)

10
12
15
18
18
17
14
15
11
12
14
12
13
11
10
10
11
11
11
11
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
91
93
94
96
94
96
98
98
96
96
96
96
98
98
98
98
96
98
98
96
96
96
98

Pressure (mb)

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

Ozone (du)

293
293
295
298
306
302
297
300
301
300
302
302
300
304
304
302
298
299
302
303
303
301
299
301

Monday 4

Waning Gibbous 50%

23:05

13:06

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

Sun - Rise: 07:55, Set: 15:59, Transit: 11:57. Moon - Rise: 23:05, Set: 13:06. Civil Dark: 16:39 - 07:16. Nautical Dark: 17:21 - 06:33. Astro Dark: 18:01 - 05:53

Total Clouds (% Sky Obscured)

100
100
99
99
100
96
97
97
95
95
96
100
97
97
98
85
88
76
80
77
74
72
86
83

Low Clouds (% Sky Obscured)

98
100
98
96
100
93
92
92
93
92
94
100
96
95
99
87
89
78
80
77
76
76
88
84

Medium Clouds (% Sky Obscured)

88
88
93
93
92
90
87
84
73
71
26
20
14
4
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
70
13
67
70
4
5
4
0
0
0
0
0
0
0
0
0
0
3
3
3
9
3
6

ISS Passover

Visibility (miles)

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

Fog (%)

0
65
16
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 (%)

39
41
41
48
46
36
29
25
32
32
20
17
13
4
10
1
3
7
1
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)

13
13
13
13
12
12
12
11
11
11
11
12
13
11
12
11
9
8
7
7
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
96
98
98
96
96
96
96
96
94
89
93
94
96
91
91
93
94
93
94
94
94

Pressure (mb)

1001
1001
1002
1003
1004
1005
1005
1006
1007
1008
1009
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

304
301
302
303
306
302
296
298
296
297
288
274
278
282
286
289
285
285
291
299
303
303
296
286

Tuesday 5

Third Quarter 40%

00:15

13:16

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

Sun - Rise: 07:56, Set: 15:59, Transit: 11:58. Moon - Rise: 00:15, Set: 13:16. Civil Dark: 16:38 - 07:17. Nautical Dark: 17:21 - 06:34. Astro Dark: 18:01 - 05:54

Total Clouds (% Sky Obscured)

86
83
70
61
63
65
66
69
63
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
77
60
58
57
64
73
73
73
90
69
61
51
41
35
41
44
60
77
88
92
96
96
95

Medium Clouds (% Sky Obscured)

0
0
0
3
8
0
0
0
0
0
3
12
100
100
100
100
100
97
100
100
100
72
98
100

High Clouds (% Sky Obscured)

15
4
3
0
3
6
7
11
7
75
100
100
100
100
100
100
95
83
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
9

Fog (%)

2
28
68
64
84
82
84
95
100
100
100
99
88
85
85
85
85
85
85
85
85
85
85
85

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
10
9
55
63
84
93
95

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
2
2
2
1
1
1
2
3
3
4
5
6
7
8
10
11
12
13
13
15
16
18
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
92
91
88
88
86
84
84
84
84
84
85
85
86
85
88
89
89
89
91
90
91
94

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1016
1016
1016
1015
1014
1014
1013
1013
1012
1012
1011
1010
1009

Ozone (du)

283
283
287
287
283
281
277
279
279
276
276
276
277
277
278
279
285
286
292
291
290
287
282
278

Wednesday 6

Waning Crescent 31%

01:25

13:26

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

Sun - Rise: 07:57, Set: 15:59, Transit: 11:58. Moon - Rise: 01:25, Set: 13:26. Civil Dark: 16:38 - 07:18. Nautical Dark: 17:21 - 06:35. Astro Dark: 18:01 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
96
92
90
87
84
80
85
90
97
68
67

Low Clouds (% Sky Obscured)

94
96
98
100
98
97
95
47
43
74
97
98
100
97
93
91
68
28
26
28
30
32
31
29

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
78
57
2
40
36
0
16
30
45
41
41

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
93
87
80
75
70
75
65
60
55
2
0

ISS Passover

Visibility (miles)

9
9
3
9
9
9
9
9
9
9
7
5
4
4
9
2
1
9
9
9
9
9
9
9

Fog (%)

85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
92
73
51
39
19
7
7
5
2
11
11

Precipitation Amount (mm)

0.6
0.9
0.9
0.8
0.8
0.7
0.9
0.8
0.6
0.6
1
1
0.8
0.4
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
21
21
21
21
20
20
21
21
22
22
23
24
24
21
17
14
13
13
14
14
15
15
15

Chance of Frost

Temperature (°C)

7
7
7
7
8
8
7
7
7
6
6
6
6
6
7
8
9
10
9
9
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
93
91
88
82
79
81
88
91
93
94
96
96
90
93
91
90
90
90
90

Pressure (mb)

1008
1008
1007
1006
1005
1004
1003
1002
1001
1000
999
998
997
995
994
994
994
994
994
995
995
995
996
996

Ozone (du)

276
273
271
268
271
270
272
270
270
269
271
272
276
281
288
293
295
298
304
310
313
318
326
334

Thursday 7

Waning Crescent 22%

02:36

13:37

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
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK

Sun - Rise: 07:58, Set: 15:58, Transit: 11:58. Moon - Rise: 02:36, Set: 13:37. Civil Dark: 16:38 - 07:19. Nautical Dark: 17:21 - 06:36. Astro Dark: 18:01 - 05:56

Total Clouds (% Sky Obscured)

62
55
53
47
45
38
40
40
43
55
71
34
39
43
48
56
43
35
26
24
29
28
26
24

Low Clouds (% Sky Obscured)

27
25
26
27
29
31
37
34
39
40
37
33
29
29
25
22
22
22
19
21
19
20
21
22

Medium Clouds (% Sky Obscured)

41
34
26
14
32
48
64
60
56
48
40
33
26
31
37
42
35
28
22
31
40
49
33
23

High Clouds (% Sky Obscured)

0
1
1
1
14
24
35
34
40
52
56
15
0
6
13
21
16
10
3
2
1
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 (%)

85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85

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 (%)

7
11
8
4
5
12
30
42
52
57
46
40
31
41
38
33
29
24
15
12
7
1
6
6

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
14
13
12
12
11
12
11
11
11
10
11
10
9
8
7
7
6
5
5
5
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
93
93
93
93
93
93
91
94
91
88
87
90
91
93
93
94
96
94
94
94
94

Pressure (mb)

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

Ozone (du)

333
332
331
332
340
350
352
346
350
353
363
370
365
357
357
356
356
357
358
358
354
350
346
340

Friday 8

Waning Crescent 14%

03:50

13:50

23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
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

Sun - Rise: 08:00, Set: 15:58, Transit: 11:59. Moon - Rise: 03:50, Set: 13:50. Civil Dark: 16:38 - 07:20. Nautical Dark: 17:20 - 06:37. Astro Dark: 18:01 - 05:57

Total Clouds (% Sky Obscured)

26
22
23
18
23
27
36
42
59
76
84
88
94
95
96
97
97
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

27
29
30
27
24
18
15
14
13
12
12
16
18
25
38
47
56
64
74
85
95
100
99
99

Medium Clouds (% Sky Obscured)

14
9
5
0
10
27
40
39
42
46
56
66
68
73
77
82
83
84
84
87
90
93
88
84

High Clouds (% Sky Obscured)

0
0
1
1
12
24
44
61
72
79
62
43
26
26
27
28
50
69
88
91
94
97
71
47

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 (%)

85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85

Precipitation Type

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

Precipitation Probability (%)

8
6
2
0
0
1
0
3
4
1
3
4
12
18
16
2
7
9
6
51
73
89
81
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.5
0.3

Wind Speed/Direction (mph)

5
5
5
6
7
6
6
6
6
7
7
8
10
11
12
12
13
14
15
15
16
17
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
93
93
93
93
93
91
93
93
91
91
88
88
88
87
87
87
87
88
90
93
93

Pressure (mb)

1004
1005
1006
1006
1007
1007
1008
1008
1009
1009
1010
1009
1009
1009
1009
1008
1008
1008
1007
1007
1007
1006
1006
1006

Ozone (du)

334
328
324
321
317
311
305
299
294
289
284
281
277
274
271
268
265
263
261
259
259
258
257
258

Saturday 9

Waning Crescent 8%

05:08

14:06

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
17 Bad

Sun - Rise: 08:01, Set: 15:58, Transit: 11:59. Moon - Rise: 05:08, Set: 14:06. Civil Dark: 16:38 - 07:21. Nautical Dark: 17:20 - 06:38. Astro Dark: 18:01 - 05:58

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
98
96
93
92
93
96
96
98
99
99
98
98

Low Clouds (% Sky Obscured)

98
96
94
93
92
91
90
86
85
82
85
88
89
82
75
69
77
84
87

Medium Clouds (% Sky Obscured)

79
83
88
95
83
74
67
61
52
40
52
64
70
66
69
80
72
61
50

High Clouds (% Sky Obscured)

24
37
48
56
37
19
0
2
3
4
15
30
47
67
79
89
78
67
51

ISS Passover

Visibility (miles)

9
9
6
3
0
0
0
0
3
6
9
9
9
9
9
9
9
9
9

Fog (%)

85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85
85

Precipitation Type

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

Precipitation Probability (%)

66
81
95
95
95
95
95
95
86
52
39
40
53
52
49
44
41
33
20

Precipitation Amount (mm)

0.3
0.4
0.6
1.1
1.3
1.5
1.7
0.9
0.5
0
0
0
0.3
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

15
15
16
17
19
18
19
19
18
17
17
16
16
15
15
15
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1005
1005
1003
1002
1001
1000
999
998
998
998
999
999
1000
1000
1001
1001
1001
1001
1001

Ozone (du)

259
260
261
262
262
261
261
260
262
265
267
271
276
280
289
298
307
302
296

Forecast for Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 03/12/23 22:45:03. Forecast: 03/12/23 to 09/12/23. Timezone: UTC+0.00