Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 11

New Moon 0%

07:06

19:33

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

Sun - Rise: 06:48, Set: 19:40, Transit: 13:14. Moon - Rise: 07:06, Set: 19:33. Civil Dark: 20:13 - 06:14. Nautical Dark: 20:53 - 05:35. Astro Dark: 21:35 - 04:52

Total Clouds (% Sky Obscured)

81
73
63
77
82
54
80
92
100
39
73
74
56
52
47
63
69
68
43
40
63
68
70
62

Low Clouds (% Sky Obscured)

49
45
45
76
80
54
44
47
38
39
38
37
34
45
37
28
23
22
21
0
0
11
11
17

Medium Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
20
30
25

High Clouds (% Sky Obscured)

0
0
0
0
0
1
67
92
100
8
25
32
19
10
10
23
33
24
22
39
37
31
5
6

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 (%)

10
15
1
0
7
9
17
76
74
0
0
0
0
0
0
0
0
0
0
0
0
0
11
98

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 (%)

3
4
12
21
12
5
6
3
6
6
3
1
0
0
0
1
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)

8
7
7
6
6
7
7
6
5
6
9
9
10
9
10
10
9
8
8
6
4
3
3
3

Chance of Frost

Temperature (°C)

15
14
14
14
14
14
14
14
14
15
16
17
18
18
18
18
18
17
17
15
13
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
89
90
92
93
93
93
93
86
78
71
62
60
59
59
60
65
72
85
92
95
95
96

Pressure (mb)

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

Ozone (du)

306
306
305
304
302
301
300
298
299
299
297
296
296
297
296
294
292
290
289
289
289
288
287
286

Saturday 12

Waxing Crescent 2%

08:25

19:47

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 06:49, Set: 19:38, Transit: 13:13. Moon - Rise: 08:25, Set: 19:47. Civil Dark: 20:11 - 06:16. Nautical Dark: 20:50 - 05:36. Astro Dark: 21:32 - 04:54

Total Clouds (% Sky Obscured)

52
62
91
81
97
91
80
76
93
72
91
96
89
90
97
93
73
93
89
100
100
100
100
98

Low Clouds (% Sky Obscured)

21
17
19
41
44
51
53
54
61
61
86
93
78
67
81
55
42
51
56
63
93
69
56
67

Medium Clouds (% Sky Obscured)

16
15
26
4
1
1
0
0
0
2
10
17
11
10
4
4
4
4
4
5
7
82
28
85

High Clouds (% Sky Obscured)

6
20
36
35
94
66
34
30
25
6
1
1
1
75
70
45
24
83
68
100
100
100
100
48

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
8

Fog (%)

100
100
100
100
100
98
95
96
83
6
1
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
1
1
1
1
5
6
15
23
26
36

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
3
3
3
4
4
5
5
6
10
12
13
13
14
15
15
15
15
13
13
12
12
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
96
96
96
96
96
95
89
78
72
64
61
59
61
63
65
71
76
82
81
86
93

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1023
1023
1023
1023
1023

Ozone (du)

285
284
285
286
288
288
288
289
289
290
291
292
292
293
294
294
293
292
291
290
290
289
289
287

Sunday 13

Waxing Crescent 7%

09:43

20:01

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 06:51, Set: 19:35, Transit: 13:13. Moon - Rise: 09:43, Set: 20:01. Civil Dark: 20:08 - 06:18. Nautical Dark: 20:48 - 05:38. Astro Dark: 21:30 - 04:56

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
95
98
100
73
95
100
100
100
96
96
96
95
97
98

Low Clouds (% Sky Obscured)

89
91
90
84
89
100
100
100
100
100
95
86
83
61
47
53
58
62
73
59
61
74
96
93

Medium Clouds (% Sky Obscured)

64
76
100
100
46
97
94
64
9
5
0
0
4
73
4
2
2
0
1
0
0
0
0
1

High Clouds (% Sky Obscured)

87
60
40
100
100
88
16
100
17
2
33
91
91
8
88
100
100
100
87
82
77
71
59
47

ISS Passover

Visibility (miles)

9
9
8
7
4
3
0
0
0
0
0
9
9
9
9
9
9
9
9
9
9
5
1
0

Fog (%)

0
0
0
0
0
0
0
0
13
19
2
2
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

60
91
95
95
95
60
48
39
26
16
14
9
14
3
2
3
4
2
0
2
5
6
7
4

Precipitation Amount (mm)

0
0.6
1.6
3.7
1.1
0.2
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
13
13
13
12
11
9
8
9
10
11
11
12
12
12
11
10
8
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
96
96
98
98
96
98
98
98
93
85
78
74
72
78
80
86
92
96
98
98
98

Pressure (mb)

1023
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

286
285
284
285
287
289
289
290
291
290
290
290
288
287
285
284
283
282
282
282
281
280
279
279

Monday 14

Waxing Crescent 13%

11:00

20:17

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 06:52, Set: 19:33, Transit: 13:13. Moon - Rise: 11:00, Set: 20:17. Civil Dark: 20:06 - 06:19. Nautical Dark: 20:45 - 05:40. Astro Dark: 21:27 - 04:58

Total Clouds (% Sky Obscured)

99
100
100
95
89
97
91
78
72
69
67
74
78
85
81
73
91
88
99
90
97
95
71
62

Low Clouds (% Sky Obscured)

98
100
99
93
84
96
88
71
61
54
53
60
65
80
66
33
21
12
8
8
20
31
38
42

Medium Clouds (% Sky Obscured)

1
4
10
14
18
15
12
11
11
11
9
3
0
6
8
10
76
67
97
76
42
81
35
5

High Clouds (% Sky Obscured)

21
4
4
4
2
0
0
0
0
0
0
0
0
0
0
0
0
20
65
38
65
55
3
4

ISS Passover

Visibility (miles)

0
2
4
9
4
4
7
8
9
9
9
9
9
7
7
7
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 (%)

2
6
5
4
5
4
3
5
4
4
6
4
1
1
2
0
3
3
1
2
2
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
5
6
6
5
5
5
5
4
6
8
9
10
12
12
12
12
12
10
8
8
8
7
7

Chance of Frost

Temperature (°C)

17
18
18
18
17
17
18
17
18
19
19
20
21
22
21
21
21
20
19
18
17
17
16
16

Feels Like (°C)

18
18
18
18
18
19
18
19
20
21
21
21
22
22
20
21
21
19
19
18
17
17
16
17

Dew Point (°C)

17
17
17
17
17
17
17
17
17
17
16
16
16
16
16
16
16
16
16
16
16
16
16
16

Relative Humidity (%)

96
98
98
96
96
98
98
98
96
89
81
76
73
70
73
74
74
77
82
90
96
96
98
100

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1021
1020

Ozone (du)

279
279
279
279
281
281
281
280
280
279
280
281
282
282
282
282
283
284
287
288
283
283
283
283

Tuesday 15

Waxing Crescent 21%

12:16

20:38

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

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)

67
77
94
100
100
100
83
86
100
98
72
66
49
46
43
40
40
37
26
16
10
10
14
18

Low Clouds (% Sky Obscured)

43
49
49
55
67
69
50
58
94
91
47
40
19
18
16
10
9
9
8
6
4
5
5
4

Medium Clouds (% Sky Obscured)

5
50
89
66
5
5
9
10
5
8
3
2
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

13
35
74
100
100
100
75
75
75
65
54
44
30
20
9
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
1
0
5
9
9
4
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
3
5
5
13
16
18
22
22
31
29
17
8
17
11
0
4
7
7
16
15
8
18
19

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
7
7
7
6
6
7
6
7
10
15
17
18
19
18
18
18
16
14
13
12
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
17
16
16
16
16
17
17
16
14
14
14
14
14
14
14
14
14
14
11
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
100
100
98
98
96
95
87
79
71
67
68
68
68
73
78
83
84
84
86
86

Pressure (mb)

1020
1019
1019
1018
1017
1017
1017
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021

Ozone (du)

284
285
286
286
287
288
290
293
296
302
306
315
320
325
327
329
330
332
335
337
336
336
336
336

Wednesday 16

Waxing Crescent 30%

13:30

21:04

00 OK
01 Bad
02 Bad
03 Bad
04 Bad
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

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)

28
37
45
54
65
71
71
79
88
100
88
82
77
80
83
85
90
94
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

8
13
15
20
28
39
49
65
83
100
83
66
49
49
48
47
50
55
60
42
27
9
18
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
3
7
13
20
14
10
10
11
11
11
16
21
26
43
62

High Clouds (% Sky Obscured)

1
1
1
7
6
5
5
5
9
9
10
10
16
26
36
46
66
85
99
99
99
98
99
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
16
17
11
14
17
16
21
22
25
28
28
29
28
23
23
20
16
15
15
16
18
32
43

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
87
89
90
86
83
77
79
80
82
78
73
68
68
69
69
71
74
76
79
80
81
79

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021

Ozone (du)

336
337
339
341
343
342
340
339
336
332
328
326
324
321
319
317
315
314
312
311
309
308
306
305

Thursday 17

Waxing Crescent 39%

14:38

21:40

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)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 11/09/26 00:05:06. Forecast: 11/09/26 to 17/09/26. Timezone: UTC+1.00