Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 26

Full Moon 100%

18:45

08:08

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 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:12, Set: 19:06, Transit: 13:08. Moon - Rise: 18:45, Set: 08:08. Civil Dark: 19:39 - 06:40. Nautical Dark: 20:17 - 06:01. Astro Dark: 20:56 - 05:22

Total Clouds (% Sky Obscured)

22
31
48
63
98
90
81
79
61
58
100
95
98
100
100
100
100
100
100
98
66
92
100
100

Low Clouds (% Sky Obscured)

22
26
29
31
31
37
43
34
16
11
14
22
20
19
12
20
34
48
83
75
47
60
62
97

Medium Clouds (% Sky Obscured)

0
27
26
17
89
78
49
15
3
3
3
0
28
52
79
88
93
99
100
97
36
29
34
87

High Clouds (% Sky Obscured)

22
31
48
63
72
9
45
43
45
44
100
88
94
100
100
100
99
98
99
76
23
79
100
43

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 (%)

1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
2
5
9
9
23
29
16
46

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
7
8
9
9
9
8
7
6
4
4
4
4
5
6
6
8
9
12
14
16
17
18

Chance of Frost

Temperature (°C)

13
15
16
17
17
17
16
16
15
13
11
11
10
10
11
11
11
11
12
13
14
14
15
15

Feels Like (°C)

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

Dew Point (°C)

9
9
8
8
8
9
9
10
10
11
10
9
9
9
9
10
10
10
10
10
11
13
14
13

Relative Humidity (%)

74
65
59
57
57
59
62
66
74
87
90
90
90
91
91
91
91
90
87
84
86
93
92
85

Pressure (mb)

1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1020
1019
1018
1017
1016
1015
1014
1013
1012
1011
1011

Ozone (du)

301
300
299
296
295
295
294
293
293
293
293
293
293
294
294
294
294
292
292
294
296
297
297
297

Sunday 27

Waning Gibbous 98%

19:00

09:31

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
09 Bad

Sun - Rise: 07:14, Set: 19:04, Transit: 13:08. Moon - Rise: 19:00, Set: 09:31. Civil Dark: 19:36 - 06:41. Nautical Dark: 20:15 - 06:03. Astro Dark: 20:54 - 05:24

Total Clouds (% Sky Obscured)

94
100
100
84
100
100
100
100
100
83
100
100
100
86
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
92
90
84
86
86
63
27
32
36
27
26
16
17
22
19
5
2
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
4
17
0
0
0
0
0
0
0
0
0
0
1
9
59
75
38
100
93
94
97
69
38

High Clouds (% Sky Obscured)

68
100
100
34
72
95
100
100
100
68
100
100
100
81
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
8
6
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
14
35
60
82
34
6
1
14
0
0
2
0
0
0
0
0
1
0
1
0
1
1
0

Precipitation Amount (mm)

0
0
0
0.2
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
19
20
19
18
17
13
15
14
11
7
6
6
5
4
3
2
2
2
1
1
1
1
1

Chance of Frost

Temperature (°C)

15
17
18
18
18
17
16
16
15
14
12
11
11
11
10
10
10
10
10
10
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
88
92
92
92
93
87
89
92
92
90
91
88
88
88
88
87
87
88
87
87
87
81

Pressure (mb)

1011
1010
1010
1010
1010
1011
1011
1012
1013
1014
1015
1016
1017
1017
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020

Ozone (du)

297
297
297
297
297
296
295
295
295
297
300
301
301
301
301
301
302
304
305
308
310
310
311
312

Monday 28

Waning Gibbous 93%

19:17

No Set

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
09 Bad

Sun - Rise: 07:15, Set: 19:02, Transit: 13:08. Moon - Rise: 19:17, Set: No Set. Civil Dark: 19:34 - 06:43. Nautical Dark: 20:12 - 06:05. Astro Dark: 20:51 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
62
59
62
72
97
97
99
97
98
99
100

Low Clouds (% Sky Obscured)

0
0
0
2
3
10
17
0
0
0
15
42
41
50
48
50
59
95
95
98
95
88
91
90

Medium Clouds (% Sky Obscured)

90
19
31
3
8
8
25
25
30
25
25
20
20
9
5
7
8
6
10
8
7
3
2
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
25
30
5
3
32
29
42
27
83
91
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
1
0
4
5

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
4
10
13
11
15
20
55
54
58
53
25
23
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

2
4
6
9
9
9
9
10
9
7
6
6
6
7
8
8
8
8
9
10
12
13
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
13
14
14
14
13
12
10
10
10
10
12
12
13
12
12
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

78
75
67
59
58
57
60
64
73
82
86
86
90
92
93
96
98
98
96
96
98
96
98
95

Pressure (mb)

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

Ozone (du)

311
311
310
311
312
310
309
309
309
309
311
312
313
313
310
306
303
301
300
299
297
295
294
292

Tuesday 29

Waning Gibbous 86%

19:39

10:57

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
09 Bad

Sun - Rise: 07:17, Set: 19:00, Transit: 13:07. Moon - Rise: 19:39, Set: 10:57. Civil Dark: 19:32 - 06:44. Nautical Dark: 20:10 - 06:06. Astro Dark: 20:49 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
85
76
49
49
78

Low Clouds (% Sky Obscured)

87
52
50
70
64
30
30
78
79
76
75
74
83
91
99
99
100
100
91
77
31
27
29
26

Medium Clouds (% Sky Obscured)

4
4
4
25
73
56
32
76
90
91
91
93
94
97
100
100
100
100
30
80
62
4
6
53

High Clouds (% Sky Obscured)

99
99
98
99
99
100
100
100
100
100
100
100
100
100
100
88
77
60
70
65
60
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
8
8
4
4
0
1
0
0
0
0
9
9
8
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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

8
10
3
7
6
1
19
37
69
95
95
95
95
95
95
95
95
95
89
79
32
28
14
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.7
2.7
1.7
1.6
2.4
4.4
3.3
1.4
1.3
0.5
0.5
0
0
0
0

Wind Speed/Direction (mph)

17
18
19
21
20
20
20
18
19
19
22
23
24
24
24
24
23
13
14
14
13
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
85
79
85
85
77
76
77
81
93
93
98
98
98
96
98
98
90
93
95
86
90
92
89

Pressure (mb)

1009
1009
1008
1008
1008
1007
1006
1006
1006
1006
1005
1005
1005
1004
1004
1003
1003
1004
1004
1004
1005
1005
1006
1007

Ozone (du)

291
291
290
289
287
284
281
279
279
279
279
279
281
282
281
283
283
284
288
290
294
297
300
301

Wednesday 30

Waning Gibbous 76%

20:10

12:24

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
09 OK

Sun - Rise: 07:18, Set: 18:57, Transit: 13:07. Moon - Rise: 20:10, Set: 12:24. Civil Dark: 19:30 - 06:46. Nautical Dark: 20:08 - 06:08. Astro Dark: 20:47 - 05:29

Total Clouds (% Sky Obscured)

83
52
59
89
98
100
89
47
44
41
39
45
69
69
67
70
73
70
66
57
46
36
25
18

Low Clouds (% Sky Obscured)

26
32
39
36
36
42
32
24
24
22
21
18
15
13
12
23
35
47
42
39
34
26
19
15

Medium Clouds (% Sky Obscured)

62
17
19
80
98
100
85
3
0
0
0
19
69
69
67
70
73
70
55
35
14
8
5
0

High Clouds (% Sky Obscured)

0
0
0
0
0
24
0
0
0
0
0
0
3
6
8
10
13
17
16
16
15
10
5
1

ISS Passover

Visibility (miles)

7
9
9
7
6
6
6
9
9
9
9
9
9
9
9
8
8
8
8
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

28
32
54
62
73
77
62
40
25
23
29
16
28
17
39
53
61
64
58
46
24
24
20
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
17
18
19
18
17
15
13
11
8
7
6
5
4
4
3
3
3
3
3
4
4
6
7

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
15
15
13
12
12
11
11
11
10
10
10
10
10
10
9
11
12

Feels Like (°C)

12
12
13
13
12
12
12
13
14
13
13
12
11
10
10
9
9
9
9
9
9
9
10
11

Dew Point (°C)

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

Relative Humidity (%)

85
82
73
69
71
75
77
80
80
87
92
92
92
95
95
95
95
95
95
95
91
91
88
84

Pressure (mb)

1007
1008
1008
1009
1009
1010
1010
1011
1012
1013
1014
1015
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021

Ozone (du)

307
311
315
320
323
326
325
321
321
320
320
319
319
319
319
320
320
320
320
322
323
325
322
320

Thursday 1

Waning Gibbous 65%

20:54

13:46

10 OK
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
09 Bad

Sun - Rise: 07:20, Set: 18:55, Transit: 13:07. Moon - Rise: 20:54, Set: 13:46. Civil Dark: 19:28 - 06:47. Nautical Dark: 20:06 - 06:10. Astro Dark: 20:44 - 05:31

Total Clouds (% Sky Obscured)

28
40
51
63
74
85
86
91
88
89
92
95
95
96
97
97
98
100
92
83
74
73
72
67

Low Clouds (% Sky Obscured)

15
16
18
19
20
25
23
22
26
44
62
79
81
79
81
67
54
37
40
41
44
36
31
25

Medium Clouds (% Sky Obscured)

0
0
0
6
13
19
17
28
30
43
67
86
83
80
76
77
79
78
67
54
34
23
11
0

High Clouds (% Sky Obscured)

7
11
16
19
22
25
40
40
40
39
43
43
57
64
75
82
90
100
67
34
2
5
15
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
7
6
6
7
7
8
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 (%)

16
17
18
18
19
22
24
29
33
42
50
55
54
51
46
45
44
41
43
44
39
43
38
29

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)

8
10
12
14
14
14
15
14
12
11
10
9
9
9
9
10
9
8
7
7
6
6
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
11
14
14
12
12
12
12
10
10
10
10
10
11
11
11
11
11
11
12
12
13

Dew Point (°C)

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

Relative Humidity (%)

82
75
70
64
66
69
70
75
80
86
89
92
95
95
93
93
93
93
93
93
95
95
92
86

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026

Ozone (du)

318
317
315
314
313
312
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328

Friday 2

Waning Gibbous 54%

21:55

14:55

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: 07:21, Set: 18:53, Transit: 13:06. Moon - Rise: 21:55, Set: 14:55. Civil Dark: 19:25 - 06:49. Nautical Dark: 20:03 - 06:11. Astro Dark: 20:42 - 05:33

Total Clouds (% Sky Obscured)

63
57
50
56
65
76
73
71
68
72
79
86
78
74
67
72
78
85
89
94
99

Low Clouds (% Sky Obscured)

25
27
27
30
31
33
27
25
20
19
20
18
15
15
12
12
8
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
4
10
16
19
17
9
4
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

52
36
16
16
16
16
12
12
12
30
49
66
47
28
12
26
38
51
65
81
99

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

Fog (%)

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

Precipitation Probability (%)

25
16
13
10
9
2
4
3
10
7
8
5
7
6
2
5
6
4
6
3
3

Precipitation Amount (mm)

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)

11
11
12
13
12
12
12
10
8
6
6
6
5
6
6
6
6
5
5
6
6

Chance of Frost

Temperature (°C)

15
16
17
18
18
18
18
17
16
14
13
12
11
11
10
10
10
10
10
10
11

Feels Like (°C)

13
13
14
15
17
17
16
16
17
17
11
12
11
11
11
10
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

83
74
68
62
62
63
62
69
79
87
89
90
88
90
90
90
90
90
90
90
88

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1028
1028
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1029

Ozone (du)

329
325
321
317
315
313
311
309
306
304
303
302
302
300
299
298
297
296
296
295
295

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

Generated: 26/09/26 10:34:16. Forecast: 26/09/26 to 02/10/26. Timezone: UTC+1.00