Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 15

Waxing Crescent 21%

12:16

20:38

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

Sun - Rise: 06:54, Set: 19:31, Transit: 13:12. Moon - Rise: 12:16, Set: 20:38. Civil Dark: 20:04 - 06:21. Nautical Dark: 20:43 - 05:42. Astro Dark: 21:24 - 05:00

Total Clouds (% Sky Obscured)

100
100
97
89
51
38
35
28
23
27
30
36
26
49
55
57
67
55
41
44
47
51
51
57

Low Clouds (% Sky Obscured)

100
91
81
29
51
38
35
28
23
27
30
36
25
45
45
38
33
36
31
34
34
30
34
40

Medium Clouds (% Sky Obscured)

18
70
16
0
0
0
0
0
0
0
0
0
2
0
14
13
23
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

84
30
30
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

0
1
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 (%)

33
8
3
15
10
4
1
0
0
3
4
15
3
4
7
14
13
10
16
6
3
9
6
7

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
12
13
13
14
18
19
18
18
19
19
18
18
15
13
10
9
10
9
8
8
9
10
10

Chance of Frost

Temperature (°C)

17
17
16
15
15
16
16
16
16
16
16
16
16
15
14
13
12
12
12
12
12
12
12
12

Feels Like (°C)

16
15
14
12
14
13
13
13
13
13
13
13
13
13
12
12
12
12
13
13
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
90
89
79
67
59
61
62
62
65
68
75
79
87
95
95
95
93
93
92
90
90

Pressure (mb)

1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

293
293
294
304
311
318
324
326
326
328
328
330
332
337
338
339
341
341
341
341
341
342
344
344

Wednesday 16

Waxing Crescent 30%

13:30

21:04

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 Bad
04 Bad

Sun - Rise: 06:55, Set: 19:29, Transit: 13:12. Moon - Rise: 13:30, Set: 21:04. Civil Dark: 20:01 - 06:22. Nautical Dark: 20:41 - 05:43. Astro Dark: 21:22 - 05:02

Total Clouds (% Sky Obscured)

58
59
74
71
66
69
74
75
75
75
57
60
72
82
100
92
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
47
74
71
66
69
74
75
75
75
50
49
44
41
44
39
42
98
68
63
88
100
95
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
8
14
68
92
100
96
56
7
36
92
98
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
8
5
6
4
35
70
97
40
73
100
56
100
100
94
100
85

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 (%)

13
7
5
7
6
8
3
1
0
0
0
0
0
2
9
11
3
10
12
15
14
19
31
24

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

Chance of Frost

Temperature (°C)

12
12
12
12
13
14
14
15
15
15
15
15
15
14
13
12
13
13
13
13
13
13
13
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
75
72
72
69
66
62
61
60
59
61
67
77
86
83
81
84
92
92
90
89
90

Pressure (mb)

1022
1022
1022
1023
1023
1024
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1020
1020
1019
1018
1017
1017
1016

Ozone (du)

344
338
333
328
324
321
318
314
311
306
302
299
298
297
297
297
296
294
296
299
301
300
299
300

Thursday 17

Waxing Crescent 39%

14:38

21:40

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 Bad
04 Bad

Sun - Rise: 06:57, Set: 19:26, Transit: 13:12. Moon - Rise: 14:38, Set: 21:40. Civil Dark: 19:59 - 06:24. Nautical Dark: 20:38 - 05:45. Astro Dark: 21:19 - 05:04

Total Clouds (% Sky Obscured)

100
100
93
81
78
80
69
81
74
88
97
91
74
60
68
77
79
76
77
79
60
57
61
91

Low Clouds (% Sky Obscured)

100
89
77
75
73
72
45
53
52
59
70
72
73
60
68
77
79
76
77
79
42
36
42
52

Medium Clouds (% Sky Obscured)

100
70
93
81
78
80
10
16
6
12
18
10
3
0
0
0
0
0
0
0
0
0
0
3

High Clouds (% Sky Obscured)

100
47
70
63
35
47
44
71
49
78
29
10
11
0
0
0
0
0
0
2
2
2
2
55

ISS Passover

Visibility (miles)

9
9
9
4
6
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 (%)

33
43
41
36
32
20
3
3
3
9
6
9
5
5
6
21
24
24
23
23
9
5
5
15

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
14
15
15
16
16
17
18
18
18
17
17
16
14
13
11
10
9
9
8
7
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
13
13
14
14
14
12
9
8
9
10
9
9
8
7
8
9
9
9
9
10
10
9
10

Relative Humidity (%)

90
92
93
95
96
92
80
64
60
64
69
67
69
67
65
71
76
77
79
81
84
92
90
91

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

298
299
298
301
305
307
309
307
307
308
306
305
304
305
306
308
309
306
304
302
302
302
299
296

Friday 18

First Quarter 49%

15:37

22:27

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 Bad
04 Bad

Sun - Rise: 06:58, Set: 19:24, Transit: 13:11. Moon - Rise: 15:37, Set: 22:27. Civil Dark: 19:57 - 06:26. Nautical Dark: 20:36 - 05:47. Astro Dark: 21:16 - 05:06

Total Clouds (% Sky Obscured)

96
100
92
78
51
89
94
100
100
100
99
100
100
100
100
100
100
100
96
99
100
100
100
100

Low Clouds (% Sky Obscured)

35
32
34
35
36
48
80
94
96
98
94
99
98
97
98
99
100
99
79
74
98
98
16
47

Medium Clouds (% Sky Obscured)

8
12
9
8
7
40
85
84
96
98
65
83
90
97
96
19
99
96
68
78
25
17
15
57

High Clouds (% Sky Obscured)

77
98
80
53
11
68
80
98
90
94
89
96
96
95
65
80
83
89
71
76
98
48
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 (%)

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

Precipitation Probability (%)

8
1
1
2
3
7
23
48
62
68
57
40
31
22
22
19
13
15
14
22
26
18
13
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
5
7
10
11
13
14
14
14
16
14
15
15
15
14
14
14
13
13
13
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
8
10
12
13
12
12
12
12
12
12
12
12
13
13
13
13
13
14
13
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
86
77
69
62
61
65
66
70
66
68
74
77
78
82
87
92
95
96
90
87
93

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

294
293
292
292
289
286
283
281
280
280
281
282
283
285
285
285
287
289
290
290
290
289
288
288

Saturday 19

Waxing Gibbous 59%

16:25

23:25

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 Bad
04 Bad

Sun - Rise: 07:00, Set: 19:22, Transit: 13:11. Moon - Rise: 16:25, Set: 23:25. Civil Dark: 19:55 - 06:27. Nautical Dark: 20:33 - 05:48. Astro Dark: 21:14 - 05:08

Total Clouds (% Sky Obscured)

98
100
97
94
90
92
95
90
100
100
100
87
95
94
98
96
94
96
98
100
95
91
86
92

Low Clouds (% Sky Obscured)

37
44
50
72
62
41
28
47
79
90
89
68
87
81
86
87
88
91
92
95
90
86
82
88

Medium Clouds (% Sky Obscured)

21
8
11
11
90
27
8
10
12
21
5
5
1
0
5
6
6
6
6
6
5
4
3
3

High Clouds (% Sky Obscured)

98
100
86
68
52
68
83
84
100
100
77
62
60
78
84
76
70
75
80
82
67
52
38
44

ISS Passover

Visibility (miles)

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

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 (%)

11
8
8
12
10
12
11
4
7
8
3
6
10
4
5
5
2
5
8
7
12
11
6
10

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
12
11
12
14
16
16
15
16
16
16
15
15
14
12
12
12
11
12
12
12
11
11
11

Chance of Frost

Temperature (°C)

15
15
15
15
16
17
17
18
18
18
17
17
17
16
16
15
15
14
14
14
14
14
15
15

Feels Like (°C)

13
14
13
14
15
15
14
15
16
15
15
15
15
15
15
14
14
14
14
13
13
14
14
14

Dew Point (°C)

14
15
14
15
15
14
13
12
13
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Relative Humidity (%)

90
96
96
96
89
82
73
69
70
77
81
82
82
87
92
93
95
96
96
98
96
96
96
95

Pressure (mb)

1015
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1020
1021
1021
1022
1023
1023
1024
1024
1024
1024

Ozone (du)

288
288
286
284
285
285
284
284
283
283
284
284
284
283
283
284
284
284
285
286
286
286
286
286

Sunday 20

Waxing Gibbous 68%

17:01

00:33

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 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:01, Set: 19:20, Transit: 13:10. Moon - Rise: 17:01, Set: 00:33. Civil Dark: 19:52 - 06:29. Nautical Dark: 20:31 - 05:50. Astro Dark: 21:11 - 05:10

Total Clouds (% Sky Obscured)

95
97
98
97
97
96
96
95
94
92
90
80
72
63
60
58
56
48
38
27
35
44
50
52

Low Clouds (% Sky Obscured)

90
95
95
95
96
95
92
91
91
91
90
80
72
63
59
37
18
16
10
7
8
13
12
9

Medium Clouds (% Sky Obscured)

3
3
3
3
4
7
9
12
8
6
3
3
2
0
0
0
1
2
2
0
2
3
6
12

High Clouds (% Sky Obscured)

50
56
63
69
75
70
64
58
56
54
51
38
24
10
7
4
1
1
2
2
3
3
3
3

ISS Passover

Visibility (miles)

3
2
1
4
7
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 (%)

12
12
16
17
16
19
19
16
16
14
11
8
4
6
5
5
0
0
0
0
0
1
0
1

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)

9
8
7
8
9
10
11
12
13
12
12
12
10
8
7
5
4
3
3
2
2
2
2
2

Chance of Frost

Temperature (°C)

14
14
13
14
15
16
16
17
18
18
18
18
17
16
16
15
14
13
13
13
13
13
13
13

Feels Like (°C)

14
14
13
14
14
16
15
16
16
18
17
17
17
17
17
14
15
16
16
15
15
15
15
15

Dew Point (°C)

14
13
13
13
14
14
14
14
13
13
13
13
13
13
13
13
12
12
12
12
11
11
11
11

Relative Humidity (%)

95
98
98
95
90
87
83
79
74
73
73
72
76
81
86
87
89
92
90
90
89
89
89
89

Pressure (mb)

1025
1026
1026
1027
1028
1028
1029
1029
1030
1030
1030
1030
1030
1031
1031
1032
1032
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

286
285
284
284
284
284
283
281
280
280
279
278
278
278
278
277
276
276
275
275
274
275
275
275

Monday 21

Waxing Gibbous 77%

17:28

01:45

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

Sun - Rise: 07:03, Set: 19:17, Transit: 13:10. Moon - Rise: 17:28, Set: 01:45. Civil Dark: 19:50 - 06:30. Nautical Dark: 20:29 - 05:52. Astro Dark: 21:09 - 05:12

Total Clouds (% Sky Obscured)

53
53
49
44
42
42
38
38
51
65
76
62
49
50
44
34
24
22
17
12

Low Clouds (% Sky Obscured)

9
6
7
7
8
8
13
17
20
19
14
14
14
14
9
7
5
4
4
3

Medium Clouds (% Sky Obscured)

13
13
11
12
12
8
3
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
4
3
2
0
1
1
2
9
17
21
14
7
0
0
0
0
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

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 (%)

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

2
2
2
2
3
3
4
6
7
7
7
7
5
4
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
15
16
16
17
18
22
22
21
21
21
22
17
18
18
18
18

Dew Point (°C)

11
11
11
11
11
12
12
12
12
12
12
13
13
13
14
14
13
12
12
12

Relative Humidity (%)

87
87
87
82
75
71
67
64
61
61
61
62
69
76
85
87
89
90
90
90

Pressure (mb)

1033
1033
1033
1033
1033
1034
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1032
1032
1032

Ozone (du)

275
276
276
277
277
278
278
278
278
278
278
277
278
278
278
278
278
278
278
279

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 15/09/26 05:46:21. Forecast: 15/09/26 to 21/09/26. Timezone: UTC+1.00