Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 7

Waning Crescent 18%

01:24

18:23

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 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:41, Set: 19:49, Transit: 13:15. Moon - Rise: 01:24, Set: 18:23. Civil Dark: 20:22 - 06:08. Nautical Dark: 21:02 - 05:28. Astro Dark: 21:46 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
86
100
100
100
100
72
64
82
39
54
90
91
76
39
52
63
71
78
100

Low Clouds (% Sky Obscured)

50
82
84
89
97
97
93
82
58
28
46
21
21
15
28
19
19
37
24
52
63
71
78
94

Medium Clouds (% Sky Obscured)

85
4
0
0
1
2
0
0
0
0
1
93
72
77
54
72
97
71
97
52
63
71
78
100

High Clouds (% Sky Obscured)

30
3
0
52
69
13
96
100
100
98
100
99
100
99
83
60
100
100
100
52
63
71
78
100

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
6
4

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1.1
0.9

Wind Speed/Direction (mph)

4
9
11
12
13
12
10
13
10
9
10
12
13
12
12
11
13
13
15
13
12
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
93
97
100
100
97
97
92
91
81
75
71
67
65
66
65
63
63
68
72
78
80
87
95

Pressure (mb)

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

Ozone (du)

299
306
307
307
305
302
300
299
301
299
299
298
297
298
298
298
297
297
298
296
295
294
295
294

Tuesday 8

Waning Crescent 9%

02:52

18:47

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: 06:43, Set: 19:46, Transit: 13:15. Moon - Rise: 02:52, Set: 18:47. Civil Dark: 20:20 - 06:10. Nautical Dark: 21:00 - 05:29. Astro Dark: 21:43 - 04:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
71
54
49
48
47
46
49
70
46
78
83
91
79
55

Low Clouds (% Sky Obscured)

92
93
96
92
84
87
87
94
87
91
71
38
44
37
34
41
40
70
29
77
83
82
76
51

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
71
11
0
0
0
0
0
0
7
13
2
10
3
1

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
87
20
12
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
4
0
1
2
2
2
3
1
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
53
13
13
3
3
13
3
3
2
3
3
6
7
19
19

Precipitation Amount (mm)

1
1.4
1.7
2.4
2.1
2.3
2.2
1.8
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
10
10
10
8
7
6
6
9
11
11
15
18
18
19
20
20
18
16
14
13
13
12
13

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
13
13
13
14
15
15
15
15
15
14
14
14
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

12
13
13
13
13
13
13
13
12
11
11
11
8
8
8
8
7
7
6
7
5
4
5
8

Relative Humidity (%)

92
96
98
96
96
96
98
98
96
92
90
80
65
60
59
61
58
61
58
65
57
54
58
72

Pressure (mb)

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

Ozone (du)

294
293
294
295
297
299
301
306
311
318
330
348
341
332
332
333
335
340
342
341
340
339
340
341

Wednesday 9

Waning Crescent 4%

04:19

19:05

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 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:44, Set: 19:44, Transit: 13:14. Moon - Rise: 04:19, Set: 19:05. Civil Dark: 20:17 - 06:11. Nautical Dark: 20:58 - 05:31. Astro Dark: 21:40 - 04:48

Total Clouds (% Sky Obscured)

64
59
54
58
73
73
70
66
66
78
72
50
57
47
49
66
83
72
66
77
100
92
100
100

Low Clouds (% Sky Obscured)

63
55
52
57
73
73
70
66
66
78
71
36
55
44
32
52
63
51
43
48
52
37
26
32

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
31
43
63
100
88
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
13
7
9
4
5
4
10
9
9
4
6
5
0
3
4
4
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
86
92
92
90
81
80
83
84
84
79
68
59
54
52
51
53
54
58
71
84
85
84
81

Pressure (mb)

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

Ozone (du)

342
342
341
341
339
338
336
335
333
332
332
329
329
328
325
323
321
318
314
310
307
304
304
302

Thursday 10

Waning Crescent 1%

05:44

19:20

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: 06:46, Set: 19:42, Transit: 13:14. Moon - Rise: 05:44, Set: 19:20. Civil Dark: 20:15 - 06:13. Nautical Dark: 20:55 - 05:33. Astro Dark: 21:38 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
93
60
68
48
87
100
95
99
99
97
94
98
98
100
100
94
88

Low Clouds (% Sky Obscured)

6
36
67
51
25
21
25
26
19
29
28
43
52
71
70
71
60
74
62
95
100
87
94
88

Medium Clouds (% Sky Obscured)

9
15
11
64
100
100
100
93
11
26
4
39
75
30
28
31
27
30
30
23
35
60
81
25

High Clouds (% Sky Obscured)

100
100
81
100
87
29
25
25
1
0
6
67
98
82
95
95
91
80
91
36
64
50
1
1

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

Precipitation Probability (%)

1
0
2
2
2
1
0
1
1
2
1
1
2
3
17
9
28
24
31
53
62
68
56
38

Precipitation Amount (mm)

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
0.3
0

Wind Speed/Direction (mph)

3
2
1
2
2
3
3
2
3
5
8
11
12
13
14
14
14
14
13
11
10
10
10
8

Chance of Frost

Temperature (°C)

10
10
10
10
10
11
10
10
11
14
15
16
16
16
17
17
16
16
16
15
15
15
15
15

Feels Like (°C)

8
9
9
9
9
9
9
9
10
13
14
15
15
14
14
14
13
13
14
13
13
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

80
78
76
76
78
81
83
83
80
72
64
62
65
67
64
67
73
75
80
86
89
87
89
89

Pressure (mb)

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

Ozone (du)

301
301
301
301
302
302
305
309
314
309
304
301
298
296
295
293
292
289
289
288
287
290
292
296

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 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: 06:48, 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)

83
84
85
84
65
74
80
78
76
75
76
79
83
80
78
71
81
72
77
67
68
73
60
44

Low Clouds (% Sky Obscured)

82
84
85
84
58
73
80
78
76
75
76
79
83
80
78
71
81
55
43
23
19
21
19
20

Medium Clouds (% Sky Obscured)

46
68
71
48
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
24
52
62
63
5
3
17
35
58
67
68
73
55
34

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

21
37
25
8
10
8
6
10
10
17
10
12
22
28
39
51
40
32
28
3
4
1
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
92
93
93
93
96
95
93
90
92
92
90
90
90
90
87
87
87
93
96
96
96
96

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1018
1019
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1024
1025
1025
1026
1026

Ozone (du)

300
301
305
308
308
307
307
310
310
305
303
304
304
304
305
305
303
303
302
300
299
298
297
296

Saturday 12

Waxing Crescent 2%

08:25

19:47

00 OK
01 OK
02 OK
03 Bad
04 Bad
05 OK
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)

29
34
42
52
41
37
56
91
85
81
87
93
100
100
100
100
100
100
100
98
97
95
96
97

Low Clouds (% Sky Obscured)

6
3
1
0
0
0
0
9
7
9
9
13
12
17
18
18
16
18
17
27
38
48
56
65

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
3
1
1
1
3
3
2
2
2
2
2
27
51
76
83
90

High Clouds (% Sky Obscured)

19
29
40
48
33
24
39
79
73
65
77
88
99
99
100
100
100
100
100
96
92
82
79
75

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
8
8

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
0
0
0
0
0
0
1
0
0
0
0
2
5
2
23
29
34
39
41

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)

3
2
2
2
2
1
0
1
3
4
6
7
9
11
11
12
12
11
10
10
9
8
7
8

Chance of Frost

Temperature (°C)

12
11
11
11
11
11
11
11
12
14
15
16
17
18
19
19
19
19
18
17
17
16
16
16

Feels Like (°C)

13
12
13
13
13
13
13
11
12
12
12
13
14
14
19
19
18
18
19
19
15
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
95
93
95
95
95
92
87
85
77
70
64
65
67
68
73
79
86
90
93
96
96

Pressure (mb)

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

Ozone (du)

296
295
294
293
293
292
292
290
290
291
291
291
292
292
292
292
291
294
296
298
298
298
298
301

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 OK
22 OK
23 OK

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)

98
99
99
100
100
100
100
98
95
93
87
82
76
76
75
76
78
79
79
66
51
35
35
32

Low Clouds (% Sky Obscured)

73
81
90
98
99
100
100
98
95
93
82
67
54
42
32
17
14
14
10
10
9
9
10
13

Medium Clouds (% Sky Obscured)

97
80
61
39
29
15
2
1
1
2
2
3
2
3
3
3
2
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
58
52
54
50
43
29
28
26
25
32
39
46
45
42
34
36
38
40
27
14
1
1
1

ISS Passover

Visibility (miles)

7
7
8
8
9
7
4
1
4
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
48
49
50
52
58
49
42
34
24
23
19
12
8
8
5
6
7
1
3
2
0
1
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
11
11
11
11
11
11
11
11
11
12
13
13
14
14
14
14
13
11
10
8
6
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
93
92
93
96
98
95
92
88
79
72
65
65
65
66
72
79
87
90
93
96
96

Pressure (mb)

1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1018
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

304
307
307
307
307
304
301
297
296
295
294
292
289
287
284
280
277
276
274
273
272
272
272
271

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

Generated: 07/09/26 19:43:46. Forecast: 07/09/26 to 13/09/26. Timezone: UTC+1.00