Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 1

Waning Gibbous 88%

21:48

08:27

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

Sun - Rise: 05:20, Set: 20:53, Transit: 13:06. Moon - Rise: 21:48, Set: 08:27. Civil Dark: 21:36 - 04:38. Nautical Dark: 22:34 - 03:40. Astro Dark: 00:05 - 02:13

Total Clouds (% Sky Obscured)

20
19
17
31
31
32
19
26
48
95
35
34
4
11
85
9
14
62
100
96
100
100
58
54

Low Clouds (% Sky Obscured)

5
3
8
22
10
18
19
14
2
5
7
2
2
2
2
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
5
2
16
24
21
0
19
39
39
24
26
2
3
8
3
5
0
13
32
44
68
27
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
50
3
3
0
5
82
5
8
61
100
96
100
100
43
10

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
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
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)

5
7
8
9
10
11
12
12
12
12
10
10
10
9
7
6
6
6
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

12
15
17
19
20
21
22
23
23
23
23
23
22
21
18
16
15
14
13
12
12
12
12
12

Feels Like (°C)

11
13
16
18
19
19
19
20
20
20
19
21
19
18
16
14
14
12
11
10
9
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

64
55
48
42
38
35
31
26
24
23
23
23
26
30
40
47
52
57
62
69
73
77
77
76

Pressure (mb)

1019
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1018
1018
1019
1019
1020
1020
1019
1019
1019
1019
1019
1019

Ozone (du)

361
361
359
360
359
356
352
349
345
343
343
343
341
340
339
338
337
338
337
337
336
336
335
333

Sunday 2

Waning Gibbous 80%

21:58

09:45

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

Sun - Rise: 05:22, Set: 20:52, Transit: 13:06. Moon - Rise: 21:58, Set: 09:45. Civil Dark: 21:34 - 04:40. Nautical Dark: 22:32 - 03:43. Astro Dark: 23:59 - 02:18

Total Clouds (% Sky Obscured)

46
97
78
100
100
100
99
100
100
86
97
100
100
100
100
100
94
100
98
94
100
100
68
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
6
29
27
23
19
20
22
6
7
0
0
0
2

Medium Clouds (% Sky Obscured)

22
21
23
32
32
33
35
31
39
39
39
44
51
96
98
80
64
44
44
42
88
67
23
80

High Clouds (% Sky Obscured)

30
92
58
100
100
100
98
100
100
73
93
100
97
100
100
100
79
100
88
56
100
100
25
24

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
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
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)

6
5
6
6
7
9
11
13
13
14
16
15
15
13
12
12
11
11
11
11
11
11
10
11

Chance of Frost

Temperature (°C)

13
15
18
19
21
21
22
22
22
21
20
20
19
18
18
18
18
18
18
18
18
18
18
18

Feels Like (°C)

12
15
15
17
18
19
19
19
18
17
17
16
15
16
15
15
15
15
15
16
16
16
16
16

Dew Point (°C)

7
6
7
6
7
8
10
10
10
9
11
11
13
14
14
14
15
15
16
16
16
16
16
15

Relative Humidity (%)

65
54
48
42
40
42
44
45
45
46
54
58
65
73
77
78
82
86
88
89
89
89
88
85

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1013

Ozone (du)

333
332
333
334
336
336
336
336
335
335
335
333
333
333
332
332
332
332
331
333
334
334
335
337

Monday 3

Waning Gibbous 71%

22:08

11:04

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

Sun - Rise: 05:23, Set: 20:50, Transit: 13:06. Moon - Rise: 22:08, Set: 11:04. Civil Dark: 21:32 - 04:42. Nautical Dark: 22:29 - 03:45. Astro Dark: 23:53 - 02:23

Total Clouds (% Sky Obscured)

67
80
99
90
93
64
81
100
89
100
93
100
98
80
51
87
90
100
100
90
69
70
93
89

Low Clouds (% Sky Obscured)

14
14
15
14
10
0
2
0
2
12
24
14
6
23
24
26
11
8
4
2
1
13
21
31

Medium Clouds (% Sky Obscured)

14
21
35
80
88
60
62
36
19
20
83
61
67
9
13
73
44
46
39
22
18
21
73
63

High Clouds (% Sky Obscured)

15
37
96
65
63
35
57
100
68
100
69
100
76
72
14
2
53
100
99
87
64
50
73
63

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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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)

13
15
15
16
15
16
15
15
15
14
14
15
15
14
13
11
9
7
5
4
5
6
7
6

Chance of Frost

Temperature (°C)

19
20
21
22
22
23
23
24
23
23
22
21
20
20
19
18
19
18
18
18
17
17
18
18

Feels Like (°C)

16
17
18
18
19
20
20
21
21
20
20
19
18
18
18
18
18
17
18
17
18
18
18
18

Dew Point (°C)

15
15
15
14
14
14
14
14
13
13
11
11
13
14
17
18
18
18
17
17
17
17
17
18

Relative Humidity (%)

80
71
66
62
59
57
56
54
54
53
50
52
63
70
89
95
95
95
96
96
96
98
96
96

Pressure (mb)

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

Ozone (du)

337
337
334
331
331
330
329
329
330
331
332
332
332
332
332
332
330
330
331
329
326
324
321
319

Tuesday 4

Waning Gibbous 60%

22:20

12:26

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 OK
20 Bad
21 Bad
22 OK
23 Good
00 Good
01 Good
02 OK
03 Bad
04 Bad
05 OK
06 Good

Sun - Rise: 05:25, Set: 20:48, Transit: 13:06. Moon - Rise: 22:20, Set: 12:26. Civil Dark: 21:30 - 04:44. Nautical Dark: 22:26 - 03:48. Astro Dark: 23:48 - 02:28

Total Clouds (% Sky Obscured)

93
97
99
86
89
82
80
75
74
65
57
54
20
49
45
47
5
4
8
26
71
67
15
8

Low Clouds (% Sky Obscured)

30
22
8
16
24
32
43
36
20
43
47
53
19
34
25
33
2
3
8
26
57
48
15
7

Medium Clouds (% Sky Obscured)

29
32
35
62
63
82
78
37
37
23
57
9
5
5
2
2
2
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

78
91
96
54
70
40
36
25
43
5
31
0
0
0
0
0
0
0
0
0
0
2
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
1
3
9
2
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
12
12
12
9
0
0
0
0
0
9
4
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)

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

Chance of Frost

Temperature (°C)

18
20
21
22
24
25
27
27
28
28
26
25
24
22
21
20
20
18
18
17
16
16
16
16

Feels Like (°C)

17
19
20
21
23
24
26
27
27
26
24
23
22
23
21
21
21
20
19
18
17
15
15
17

Dew Point (°C)

17
16
16
15
15
17
18
17
16
17
20
20
20
20
19
18
16
15
13
13
14
13
12
13

Relative Humidity (%)

90
81
71
63
57
58
58
54
49
52
70
72
80
84
85
85
81
82
73
76
85
79
77
81

Pressure (mb)

1008
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009
1010
1010
1010
1010
1010

Ozone (du)

318
317
316
315
316
315
315
315
315
313
312
311
313
312
312
313
315
316
317
318
318
320
320
321

Wednesday 5

Waning Gibbous 49%

22:36

13:52

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

Sun - Rise: 05:27, Set: 20:46, Transit: 13:06. Moon - Rise: 22:36, Set: 13:52. Civil Dark: 21:28 - 04:46. Nautical Dark: 22:23 - 03:50. Astro Dark: 23:43 - 02:33

Total Clouds (% Sky Obscured)

25
38
58
59
86
82
87
92
98
97
99
92
41
44
49
57
66
77
69
63
53
47
41
38

Low Clouds (% Sky Obscured)

25
38
58
48
44
25
39
49
55
72
88
83
41
43
38
37
40
40
29
15
2
2
3
3

Medium Clouds (% Sky Obscured)

0
0
0
7
15
26
28
35
37
41
45
44
3
1
0
12
25
33
32
27
26
23
23
15

High Clouds (% Sky Obscured)

2
0
5
0
0
0
0
0
0
0
0
0
12
24
36
30
22
13
12
11
11
15
19
23

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
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
1
0
0
0
0
0
2
2
0
0
0
0
1
3
0
2
2
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)

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

Chance of Frost

Temperature (°C)

17
18
19
20
22
23
23
23
23
23
23
22
22
22
20
18
17
17
16
15
14
14
14
14

Feels Like (°C)

17
16
18
19
20
19
20
19
19
19
18
18
19
19
19
19
18
18
17
14
15
16
15
14

Dew Point (°C)

12
10
10
9
9
9
11
10
10
9
7
7
6
8
9
10
10
11
11
12
12
13
12
11

Relative Humidity (%)

72
59
54
48
44
41
45
42
42
40
35
37
36
42
49
57
62
67
74
80
87
95
89
84

Pressure (mb)

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

Ozone (du)

321
322
324
327
327
329
329
325
325
324
322
321
320
322
324
325
328
330
332
334
335
336
340
344

Thursday 6

Third Quarter 46%

22:59

15:21

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
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 Bad
05 Bad
06 Bad

Sun - Rise: 05:28, Set: 20:44, Transit: 13:05. Moon - Rise: 22:59, Set: 15:21. Civil Dark: 21:25 - 04:47. Nautical Dark: 22:21 - 03:53. Astro Dark: 23:38 - 02:38

Total Clouds (% Sky Obscured)

44
46
48
61
79
95
81
63
47
58
61
61
65
67
73
77
75
72
68
55
42
49
52
57

Low Clouds (% Sky Obscured)

9
16
23
39
53
68
48
29
7
22
35
49
31
15
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

17
14
15
15
20
25
24
18
11
13
15
16
11
8
7
10
12
13
10
7
4
4
4
4

High Clouds (% Sky Obscured)

42
46
48
61
79
90
81
63
47
45
31
16
35
54
72
68
65
41
41
36
36
44
52
57

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
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
5
4
3
5
4
1
2
3
1
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)

10
11
12
12
12
12
12
10
7
7
8
9
11
9
8
7
5
3
3
4
5
5
5
5

Chance of Frost

Temperature (°C)

14
16
17
19
19
20
21
22
22
23
22
22
21
20
18
16
15
14
13
13
12
11
12
12

Feels Like (°C)

14
14
14
14
15
16
17
19
19
19
22
24
27
18
17
16
15
15
14
14
14
14
14
14

Dew Point (°C)

10
10
9
8
8
8
8
7
6
6
9
13
17
16
15
14
13
12
12
11
10
9
8
8

Relative Humidity (%)

78
68
59
51
48
45
42
38
35
32
43
57
75
78
82
86
87
87
89
87
86
84
80
73

Pressure (mb)

1017
1018
1018
1018
1018
1019
1019
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

348
345
341
338
337
335
334
334
335
335
333
332
330
330
330
330
328
327
325
323
321
318
318
318

Friday 7

Waning Crescent 37%

23:34

16:50

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
00 Bad

Sun - Rise: 05:30, Set: 20:42, Transit: 13:05. Moon - Rise: 23:34, Set: 16:50. Civil Dark: 21:23 - 04:49. Nautical Dark: 22:18 - 03:55. Astro Dark: 23:33 - 02:42

Total Clouds (% Sky Obscured)

67
77
89
86
85
83
88
94
100
90
80
67
71
72
79
85
92
97

Low Clouds (% Sky Obscured)

5
12
18
26
30
40
47
55
58
57
52
41
49
55
64
73
81
88

Medium Clouds (% Sky Obscured)

7
10
16
23
28
43
44
36
41
42
42
43
50
57
66
78
87
96

High Clouds (% Sky Obscured)

67
77
89
85
82
78
85
93
100
85
68
50
34
19
3
6
9
12

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
1
7
11
13
29
35
39
33
31
27
37
34
24
22
13
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
15
17
19
19
19
20
19
19
19
19
19
19
18
18
17
17
17

Feels Like (°C)

13
13
13
13
13
12
12
19
18
17
18
20
21
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

70
59
51
44
37
31
26
25
25
25
29
35
41
36
32
29
31
34

Pressure (mb)

1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

318
318
319
320
321
322
323
323
324
325
325
325
326
326
327
327
327
327

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 01/08/26 07:32:07. Forecast: 01/08/26 to 07/08/26. Timezone: UTC+1.00