Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 22

Waxing Gibbous 85%

17:40

02:32

05 Good
06 OK
07 OK
08 OK
09 OK
10 OK
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

Sun - Rise: 06:46, Set: 18:58, Transit: 12:52. Moon - Rise: 17:40, Set: 02:32. Civil Dark: 19:32 - 06:12. Nautical Dark: 20:13 - 05:31. Astro Dark: 20:56 - 04:51

Total Clouds (% Sky Obscured)

6
10
20
25
28
32
45
62
79
87
91
78
97
92
99
93
100
100
100
100
75
95
99
77

Low Clouds (% Sky Obscured)

6
10
20
22
28
32
45
59
68
79
68
72
67
71
82
70
88
81
79
78
44
45
57
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
6
11
11
8
14
11
19
12
15
13
9
6
7
10
9
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
50
43
34
57
100
94
100
100
30
89
95
49

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
7
9
3

Fog (%)

45
63
86
80
14
1
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
1
1
2
3
5
14
25
24
20
22
20
20
18
23
18

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)

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

Chance of Frost

Temperature (°C)

12
12
11
12
16
18
20
22
23
24
24
24
23
22
21
20
19
18
18
18
18
17
17
16

Feels Like (°C)

14
13
13
15
17
19
21
22
23
24
24
24
23
22
20
20
19
18
18
18
18
17
17
16

Dew Point (°C)

11
10
10
11
12
13
14
15
15
16
16
15
15
16
15
14
14
14
16
16
16
16
15
14

Relative Humidity (%)

92
92
93
89
79
71
66
63
61
61
60
59
60
65
68
69
72
77
85
88
89
92
90
87

Pressure (mb)

1029
1029
1029
1029
1030
1030
1030
1029
1029
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023

Ozone (du)

268
268
269
269
270
271
272
274
274
276
278
278
277
277
277
278
278
278
278
279
282
281
280
281

Wednesday 23

Waxing Gibbous 92%

17:54

03:51

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

Sun - Rise: 06:48, Set: 18:55, Transit: 12:52. Moon - Rise: 17:54, Set: 03:51. Civil Dark: 19:30 - 06:14. Nautical Dark: 20:10 - 05:33. Astro Dark: 20:53 - 04:53

Total Clouds (% Sky Obscured)

100
96
84
100
78
90
80
82
95
66
62
49
75
38
53
10
100
100
59
76
67
63
44
63

Low Clouds (% Sky Obscured)

18
21
1
24
54
63
46
41
39
30
55
34
61
36
53
0
0
0
0
9
5
8
9
15

Medium Clouds (% Sky Obscured)

9
6
13
10
6
7
3
9
3
5
0
0
0
0
0
0
0
0
0
4
8
10
8
14

High Clouds (% Sky Obscured)

100
89
66
95
6
4
0
42
60
31
40
33
30
9
33
10
100
100
59
76
67
52
42
34

ISS Passover

Visibility (miles)

9
6
9
9
8
8
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 (%)

19
23
6
13
26
23
27
30
26
9
1
0
1
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
7
6
7
8
11
13
14
17
16
16
15
14
12
12
8
7
5
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

16
16
16
16
18
19
21
21
21
20
20
20
19
18
15
13
12
11
11
10
9
9
8
8

Feels Like (°C)

15
15
15
15
16
17
18
19
18
18
17
17
16
16
12
10
9
10
9
9
7
8
7
6

Dew Point (°C)

14
14
14
14
13
13
14
15
11
10
11
11
9
9
10
9
9
9
9
8
7
6
6
5

Relative Humidity (%)

86
90
92
85
72
66
65
67
55
51
57
56
53
56
74
75
80
86
87
87
87
85
85
85

Pressure (mb)

1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

282
283
286
288
292
296
305
309
312
309
309
310
310
309
308
306
304
303
302
300
300
299
298
297

Thursday 24

Waxing Gibbous 97%

18:05

No Set

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
00 Bad
01 Bad
02 Bad
03 OK
04 OK

Sun - Rise: 06:50, Set: 18:53, Transit: 12:51. Moon - Rise: 18:05, Set: No Set. Civil Dark: 19:27 - 06:16. Nautical Dark: 20:08 - 05:35. Astro Dark: 20:50 - 04:55

Total Clouds (% Sky Obscured)

76
99
100
86
100
49
53
62
100
72
100
96
100
88
99
92
49
56
86
81
70
63
46
41

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
5
0
0
0
0
0
0
0
16
28
28
29
16
0
9
17
24
26

Medium Clouds (% Sky Obscured)

12
45
57
53
12
11
7
7
7
2
2
1
1
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
98
100
76
100
18
37
52
100
62
100
94
100
85
98
88
46
55
52
57
48
42
24
16

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)

2
2
2
3
4
6
9
10
11
11
11
11
11
8
7
7
10
10
10
9
9
9
8
7

Chance of Frost

Temperature (°C)

7
7
8
8
11
13
15
17
18
18
19
19
19
18
16
15
14
14
14
13
13
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
81
77
73
64
54
48
46
47
47
49
53
56
63
67
73
76
79
83
84
86
86
84

Pressure (mb)

1027
1027
1026
1026
1026
1026
1026
1026
1025
1024
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019

Ozone (du)

295
295
294
294
292
289
287
285
283
282
281
281
282
281
281
281
281
281
282
282
282
282
282
282

Friday 25

Waxing Gibbous 99%

18:15

05:10

05 OK
06 OK
07 OK
08 OK
09 OK
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

Sun - Rise: 06:52, Set: 18:51, Transit: 12:51. Moon - Rise: 18:15, Set: 05:10. Civil Dark: 19:25 - 06:17. Nautical Dark: 20:05 - 05:37. Astro Dark: 20:48 - 04:57

Total Clouds (% Sky Obscured)

37
32
37
39
47
51
59
60
77
70
64
74
74
96
100
100
93
100
100
99
81
52
18
36

Low Clouds (% Sky Obscured)

29
31
37
39
47
51
59
60
68
58
49
47
45
53
63
63
49
50
47
46
38
26
13
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
4
4
4
65
52
17
6
3
3
2
2
2
3
4
5
3
2
0
0

High Clouds (% Sky Obscured)

9
0
2
3
3
0
0
0
37
65
55
60
39
70
99
75
84
99
99
97
81
48
7
36

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
Very Light Rain
Very Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
7
3
11
24
32
49
57
57
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
11
13
13
15
17
19
21
20
20
21
21
22
18
16
14
13
12
12
11
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

84
83
84
79
69
62
55
51
47
45
43
44
44
51
57
63
62
63
67
68
66
66
66
66

Pressure (mb)

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

Ozone (du)

282
281
281
281
281
281
281
282
282
283
283
284
284
285
283
283
283
282
282
282
281
280
280
280

Saturday 26

Full Moon 100%

18:25

06:31

05 OK
06 Good
07 Good
08 OK
09 OK
10 Good
11 OK
12 OK
13 OK
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

Sun - Rise: 06:53, Set: 18:48, Transit: 12:51. Moon - Rise: 18:25, Set: 06:31. Civil Dark: 19:22 - 06:19. Nautical Dark: 20:03 - 05:39. Astro Dark: 20:45 - 04:59

Total Clouds (% Sky Obscured)

18
18
14
21
19
9
38
43
45
59
66
68
68
69
98
99
99
94
90
86
77
70
50
38

Low Clouds (% Sky Obscured)

17
18
14
7
0
3
6
8
16
23
28
54
68
69
67
73
76
78
76
76
72
70
50
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
4
5
9
45
59
66
68
68
52
53
32
8
2
1
5
4
3
2
2

High Clouds (% Sky Obscured)

7
7
7
21
19
2
22
20
15
20
20
20
20
20
95
95
95
85
78
77
63
47
36
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

21
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
14
32
60
76
55
50
28
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
10
12
13
14
17
16
18
18
18
18
17
16
16
16
16
17
17
16
17
14
14
14

Dew Point (°C)

4
3
2
3
2
2
3
5
7
9
10
10
10
11
11
10
10
10
11
11
11
11
11
11

Relative Humidity (%)

66
63
61
57
48
44
41
42
45
49
53
55
57
63
67
68
69
70
74
76
80
82
84
86

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1014
1013

Ozone (du)

280
281
282
283
283
283
283
283
283
283
285
286
288
292
295
297
298
299
299
300
300
299
299
298

Sunday 27

Waning Gibbous 98%

18:37

07:53

05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
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 OK
03 OK
04 OK

Sun - Rise: 06:55, Set: 18:46, Transit: 12:50. Moon - Rise: 18:37, Set: 07:53. Civil Dark: 19:20 - 06:21. Nautical Dark: 20:00 - 05:40. Astro Dark: 20:42 - N/A

Total Clouds (% Sky Obscured)

36
29
28
23
17
19
21
23
47
66
80
71
71
72
71
70
69
68
67
65
56
46
35
41

Low Clouds (% Sky Obscured)

36
29
28
21
17
17
16
15
20
25
32
32
34
36
30
25
19
16
12
10
7
5
2
1

Medium Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
4
4
4
4
4
7
11
8
7
5
4
2
0
18

High Clouds (% Sky Obscured)

12
0
0
0
0
0
0
0
9
16
28
40
42
52
58
67
69
64
52
40
40
25
10
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 (%)

28
12
16
12
3
1
0
0
0
0
0
4
6
6
6
5
0
1
0
0
1
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
6
7
7
8
9
9
10
10
11
11
11
10
8
7
7
6
6
6
5
5
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
13
12
12
12
13
14
14
20
19
19
19
19
20
15
15
15
15
15
14
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
79
70
64
59
54
49
48
47
45
49
52
55
58
60
61
63
65
69
73
77
83

Pressure (mb)

1014
1014
1014
1014
1014
1015
1015
1014
1014
1014
1014
1013
1014
1014
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

298
298
298
300
302
304
303
303
302
302
301
300
301
302
303
305
306
308
309
310
312
312
313
314

Monday 28

Waning Gibbous 93%

18:51

09:19

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
00 Bad

Sun - Rise: 06:57, Set: 18:43, Transit: 12:50. Moon - Rise: 18:51, Set: 09:19. Civil Dark: 19:18 - 06:22. Nautical Dark: 19:58 - 05:42. Astro Dark: 20:40 - 05:01

Total Clouds (% Sky Obscured)

52
60
60
56
56
54
55
53
66
79
96
92
80
70
75
89
100
100
99
98

Low Clouds (% Sky Obscured)

1
0
0
0
0
6
13
20
23
28
31
28
23
19
21
25
31
20
10
0

Medium Clouds (% Sky Obscured)

35
53
60
56
56
54
55
53
57
36
13
15
14
16
10
5
0
0
0
0

High Clouds (% Sky Obscured)

15
10
10
5
10
5
0
0
33
67
96
92
80
70
75
89
100
99
98
97

ISS Passover

Visibility (miles)

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

Precipitation Type

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
2
4
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
11
13
15
16
18
19
20
20
21
20
20
19
18
17
16
15
15

Feels Like (°C)

9
9
9
9
10
11
11
12
12
17
17
16
17
19
19
16
16
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

85
88
91
86
80
76
68
61
54
49
45
41
45
49
54
57
59
62
66
68

Pressure (mb)

1014
1014
1014
1014
1014
1015
1014
1014
1014
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

314
315
315
316
317
319
321
323
325
323
320
317
316
315
313
312
311
311
310
309

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

Generated: 22/09/26 05:29:49. Forecast: 22/09/26 to 28/09/26. Timezone: UTC+1.00