Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 6

Waning Gibbous 93%

17:19

10:17

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: 08:03, Set: 16:11, Transit: 12:06. Moon - Rise: 17:19, Set: 10:17. Civil Dark: 16:50 - 07:24. Nautical Dark: 17:32 - 06:42. Astro Dark: 18:11 - 06:03

Total Clouds (% Sky Obscured)

96
95
90
97
100
99
100
100
100
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
77
73
69
67
63
57
78
90
54
83
86
87
100
93
88
100
90
100
100
100
100
100
99

Medium Clouds (% Sky Obscured)

43
35
37
34
31
53
55
55
51
53
57
51
48
91
100
100
97
97
97
98
100
73
65
94

High Clouds (% Sky Obscured)

0
5
1
12
10
86
90
95
100
91
90
100
100
100
100
100
100
94
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
9
9
9
9
9
4
1
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
65
82
65
72
83
99
100
47
50

Precipitation Type

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

Precipitation Probability (%)

4
2
0
40
36
25
14
14
14
24
29
32
30
34
39
55
71
69
71
95
65
28
41
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.4
0.3
1
0.4
0
0
0.5

Wind Speed/Direction (mph)

15
15
15
19
20
19
18
16
15
14
13
13
11
10
10
11
10
7
7
6
6
6
6
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
2
2
2
3
2
2
3
3
3
5
6
6
6
6
6
6
6
7
8
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
87
87
88
85
85
88
88
93
95
95
96
98
98
98
98
98
98
100
98
98
98

Pressure (mb)

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

Ozone (du)

292
294
292
291
291
288
289
288
285
285
287
287
284
284
286
287
285
287
289
287
287
288
289
291

Sunday 7

Waning Gibbous 86%

18:44

11:04

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: 16:11, Transit: 12:07. Moon - Rise: 18:44, Set: 11:04. Civil Dark: 16:50 - 07:25. Nautical Dark: 17:31 - 06:43. Astro Dark: 18:11 - 06:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
82
68
69
71
82
90
97
100
90
100
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
99
97
98
100
96
100
87
69
66
64
70
68
78
85
81
86
79
82
89
74
90
75
77

Medium Clouds (% Sky Obscured)

88
100
100
53
86
80
39
0
0
0
4
1
22
28
65
22
20
20
29
58
81
100
88
100

High Clouds (% Sky Obscured)

100
100
100
100
22
84
42
98
67
20
20
30
40
50
56
100
45
100
53
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
2
9
9
9
9
9
5
1
3
9
9
9
9
9
9
7
8
9
9

Fog (%)

49
49
58
73
69
66
79
47
0
0
5
2
0
1
0
58
60
61
7
47
45
47
51
52

Precipitation Type

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

Precipitation Probability (%)

95
95
95
64
20
10
14
3
0
0
0
0
0
0
2
27
47
41
20
34
43
42
41
51

Precipitation Amount (mm)

1.1
2.3
1.1
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3

Wind Speed/Direction (mph)

11
13
16
18
18
20
20
19
18
17
14
11
9
10
11
11
11
12
11
12
15
13
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
98
95
92
90
95
91
96
98
98
98
95
95
96
90
93
93
96
95
93
90

Pressure (mb)

1000
999
999
999
999
999
1000
1001
1002
1004
1005
1005
1006
1006
1007
1006
1006
1007
1006
1006
1006
1007
1007
1007

Ozone (du)

292
294
291
294
295
299
299
300
303
305
305
305
305
306
302
303
305
307
310
312
316
316
321
325

Monday 8

Waning Gibbous 77%

20:11

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: 16:11, Transit: 12:07. Moon - Rise: 20:11, Set: 11:35. Civil Dark: 16:49 - 07:26. Nautical Dark: 17:31 - 06:44. Astro Dark: 18:11 - 06:05

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
100
100
100

Low Clouds (% Sky Obscured)

84
84
82
86
80
83
87
83
85
93
95
96
97
96
95
96
96
97
100
95
97
98
99
100

Medium Clouds (% Sky Obscured)

100
100
100
99
92
62
61
71
75
70
81
100
100
100
100
100
96
100
100
100
100
99
93
95

High Clouds (% Sky Obscured)

100
61
59
100
100
100
100
100
93
93
100
100
100
100
100
100
100
100
100
100
100
99
97
95

ISS Passover

Visibility (miles)

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

Fog (%)

49
47
77
92
0
0
0
47
62
57
70
91
99
100
56
50
50
50
50
50
50
50
50
50

Precipitation Type

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

Precipitation Probability (%)

53
71
79
73
44
39
24
23
19
27
76
95
95
95
95
95
95
95
95
95
95
81
88
95

Precipitation Amount (mm)

0.3
0.6
0.7
0.5
0.3
0.3
0
0
0
0
0.4
1.1
2.4
3.6
4.3
3.1
2.5
3.6
2.6
2.2
1.2
0.6
0.8
1.4

Wind Speed/Direction (mph)

14
15
16
17
16
16
15
13
13
11
12
11
16
20
23
25
26
26
26
26
26
26
26
27

Chance of Frost

Temperature (°C)

10
10
11
11
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12
11
12
12
12

Feels Like (°C)

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

Dew Point (°C)

9
9
10
10
10
10
11
11
11
11
10
11
11
11
11
11
11
11
11
11
11
10
10
9

Relative Humidity (%)

91
93
95
96
95
96
98
98
98
98
95
98
98
96
98
98
96
96
98
96
95
90
87
83

Pressure (mb)

1008
1008
1009
1009
1008
1009
1009
1009
1009
1010
1010
1009
1008
1007
1007
1006
1005
1004
1003
1002
1002
1001
1001
1001

Ozone (du)

332
334
337
338
340
344
341
334
330
327
322
312
305
297
287
286
285
286
284
284
284
284
287
288

Tuesday 9

Waning Gibbous 67%

21:35

11:57

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: 16:11, Transit: 12:08. Moon - Rise: 21:35, Set: 11:57. Civil Dark: 16:49 - 07:27. Nautical Dark: 17:31 - 06:45. Astro Dark: 18:11 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
99
99
98
99
87
92
91
92
93
92
90
89
93
97
100
99
99
98
86
98
96

Low Clouds (% Sky Obscured)

100
100
100
96
91
87
83
69
64
58
52
43
49
55
60
62
66
67
69
68
65
56
58
55

Medium Clouds (% Sky Obscured)

93
93
94
82
87
84
87
74
84
66
62
83
78
74
69
78
86
91
89
88
90
34
36
42

High Clouds (% Sky Obscured)

86
84
74
46
61
52
27
4
11
14
23
43
41
29
46
82
91
100
85
70
46
42
54
60

ISS Passover

Visibility (miles)

9
9
2
1
0
0
0
9
9
9
9
9
9
9
9
9
9
6
2
9
5
9
9
9

Fog (%)

50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50

Precipitation Type

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

Precipitation Probability (%)

89
95
95
95
95
95
71
41
15
8
0
0
0
2
3
4
4
4
11
4
5
9
6
1

Precipitation Amount (mm)

0.7
1.4
2.6
0.9
1.6
1.7
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

27
27
27
27
23
20
16
12
10
8
7
6
5
5
5
6
6
6
6
7
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
90
95
96
98
98
91
93
96
96
96
98
96
98
96
96
96
96
96
96
96
96
96

Pressure (mb)

1001
1001
1001
1001
1001
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1010
1011
1012
1012
1013
1013
1014
1015
1016

Ozone (du)

288
290
288
287
287
288
288
288
289
291
292
292
294
294
295
294
293
295
295
295
297
297
301
304

Wednesday 10

Waning Gibbous 57%

22:54

12:13

09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 OK
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK
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: 16:11, Transit: 12:08. Moon - Rise: 22:54, Set: 12:13. Civil Dark: 16:49 - 07:28. Nautical Dark: 17:31 - 06:46. Astro Dark: 18:11 - 06:06

Total Clouds (% Sky Obscured)

87
62
40
37
33
34
52
49
35
38
38
37
40
44
45
49
48
55
62
73
84
82
83
87

Low Clouds (% Sky Obscured)

51
51
40
37
33
34
51
49
35
38
38
37
40
44
45
49
48
55
62
73
84
79
72
69

Medium Clouds (% Sky Obscured)

31
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

47
22
0
1
0
1
14
7
0
0
0
0
0
0
0
10
19
20
8
5
2
2
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
1
1
1
2
1
1

Fog (%)

50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50

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 (%)

1
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
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)

7
8
10
11
11
10
8
7
6
5
4
3
3
2
2
2
2
2
3
3
3
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
90
85
81
82
85
90
90
90
90
91
91
91
93
96
96
98
100
100
98
98
98
98

Pressure (mb)

1017
1018
1019
1019
1020
1020
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1024
1024
1024
1023
1023
1022
1022
1021

Ozone (du)

306
309
309
310
309
310
309
311
313
313
313
313
315
318
315
314
315
317
319
320
322
324
324
324

Thursday 11

Third Quarter 46%

00:08

12:26

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: 08:08, Set: 16:11, Transit: 12:09. Moon - Rise: 00:08, Set: 12:26. Civil Dark: 16:49 - 07:29. Nautical Dark: 17:31 - 06:47. Astro Dark: 18:11 - 06:07

Total Clouds (% Sky Obscured)

78
70
61
64
67
70
80
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
65
61
63
62
61
73
83
94
96
98
100
100
100
100
97
94
91
95
98
100
97
95
92

Medium Clouds (% Sky Obscured)

0
0
0
3
6
8
25
32
26
45
50
50
59
74
73
71
70
73
69
73
78
81
85
90

High Clouds (% Sky Obscured)

0
0
0
7
13
19
12
11
11
41
70
100
100
100
100
100
100
100
100
99
99
79
59
38

ISS Passover

Visibility (miles)

0
3
6
9
9
9
9
9
9
9
7
4
1
1
1
1
3
6
8
8
8
7
6
4

Fog (%)

50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50

Precipitation Type

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

Precipitation Probability (%)

2
0
0
0
0
0
6
9
14
18
20
26
45
59
77
54
39
39
34
35
52
61
70
82

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.3
0
0
0
0
0.3
0.3
0.4
0.7

Wind Speed/Direction (mph)

5
7
9
11
10
10
9
10
10
10
11
11
12
12
12
13
13
13
12
12
13
13
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
94
91
88
90
93
95
95
95
95
95
96
96
96
96
96
96
95
95
93
91
91
93
95

Pressure (mb)

1021
1020
1020
1019
1018
1018
1017
1016
1016
1015
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1009
1009
1009
1008

Ozone (du)

323
321
319
316
315
313
312
310
307
305
305
306
306
307
308
309
310
310
311
311
311
311
313
314

Friday 12

Waning Crescent 36%

01:20

12:38

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: 08:09, Set: 16:11, Transit: 12:09. Moon - Rise: 01:20, Set: 12:38. Civil Dark: 16:49 - 07:30. Nautical Dark: 17:31 - 06:48. Astro Dark: 18:11 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
93
81
66

Low Clouds (% Sky Obscured)

95
97
100
99
99
98
80
67
54
52
47
43
54
62
71
74
87
91
93
81
66

Medium Clouds (% Sky Obscured)

91
91
92
86
80
76
83
88
93
95
98
100
100
99
99
98
96
93
85
76
66

High Clouds (% Sky Obscured)

58
79
100
100
100
100
87
76
70
80
88
92
94
95
97
96
96
95
87
71
60

ISS Passover

Visibility (miles)

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

Fog (%)

50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50

Precipitation Type

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

Precipitation Probability (%)

72
72
82
79
89
91
66
44
11
8
5
3
18
14
5
47
54
46
59
81
95

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
13
11
15
13
11
9
7
4
4
4
4
4
4
4
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
91
91
88
85
84
85
87
88
90
90
93
91
90
90
90
90
90
90
90

Pressure (mb)

1008
1009
1009
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

316
318
320
322
321
320
319
318
317
316
316
316
317
316
315
314
315
316
318
319
320

Forecast for Postbridge, Devon, United Kingdom (50.59,-3.91)

Generated: 06/12/25 09:32:40. Forecast: 06/12/25 to 12/12/25. Timezone: UTC+0.00