Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 16

Waxing Crescent 41%

14:49

20:47

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

Sun - Rise: 07:29, Set: 18:02, Transit: 12:46. Moon - Rise: 14:49, Set: 20:47. Civil Dark: 18:36 - 06:55. Nautical Dark: 19:15 - 06:16. Astro Dark: 19:54 - 05:37

Total Clouds (% Sky Obscured)

7
6
8
10
4
8
9
22
26
28
35
39
35
36
31
51
64
71
55
34
44
17
38
49

Low Clouds (% Sky Obscured)

2
6
8
9
4
7
6
16
19
21
28
31
30
29
23
48
64
71
55
34
44
11
24
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
33

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 (%)

2
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)

7
8
8
10
9
9
8
8
9
9
9
9
10
11
12
13
15
15
15
14
14
14
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
6
6
5
5
4
5
4
4
4
4
5
5
7
7
6
7
7
7
6
7
6

Dew Point (°C)

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

Relative Humidity (%)

62
67
70
74
78
79
81
81
81
82
84
86
88
81
74
69
60
58
59
49
49
54
63
69

Pressure (mb)

1027
1028
1028
1029
1030
1030
1030
1031
1031
1031
1032
1032
1033
1033
1034
1034
1034
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

318
318
322
328
331
329
323
317
317
316
311
308
308
308
307
304
300
299
297
294
292
290
290
291

Saturday 17

Waxing Crescent 51%

15:18

21:51

20 Bad
21 OK
22 OK
23 Bad
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

Sun - Rise: 07:31, Set: 18:00, Transit: 12:45. Moon - Rise: 15:18, Set: 21:51. Civil Dark: 18:34 - 06:57. Nautical Dark: 19:13 - 06:18. Astro Dark: 19:52 - 05:39

Total Clouds (% Sky Obscured)

74
40
35
65
100
100
95
73
49
52
92
99
99
93
92
85
95
71
85
96
94
92
91
88

Low Clouds (% Sky Obscured)

74
40
35
60
60
58
51
31
22
28
26
75
45
43
36
82
84
71
82
80
80
76
75
78

Medium Clouds (% Sky Obscured)

0
0
0
0
3
3
0
6
16
19
89
97
97
86
76
73
84
50
75
93
91
71
22
88

High Clouds (% Sky Obscured)

26
40
35
65
100
100
60
50
11
6
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
5
9
9
6

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
None
None
None

Precipitation Probability (%)

0
2
3
15
20
18
20
7
5
0
1
1
3
4
8
25
38
36
38
53
45
32
35
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
2
2
2
2
3
3
4
5
5
5
5
5
5
5
6
6
6
7
7
8
7
7
7

Relative Humidity (%)

64
62
62
63
65
69
74
77
84
87
87
87
84
81
75
73
71
68
71
75
80
78
80
84

Pressure (mb)

1033
1033
1033
1033
1032
1032
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1027
1027

Ozone (du)

293
294
294
296
297
297
295
295
296
295
293
291
291
288
291
289
290
290
290
291
291
292
290
290

Sunday 18

First Quarter 61%

15:40

23:03

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

Sun - Rise: 07:33, Set: 17:58, Transit: 12:45. Moon - Rise: 15:40, Set: 23:03. Civil Dark: 18:32 - 06:59. Nautical Dark: 19:11 - 06:20. Astro Dark: 19:50 - 05:41

Total Clouds (% Sky Obscured)

43
45
41
89
74
93
96
96
76
65
57
36
23
19
19
17
27
24
22
25
41
87
99
99

Low Clouds (% Sky Obscured)

8
3
18
65
74
86
79
68
66
64
57
36
23
19
19
17
25
20
18
19
32
74
85
78

Medium Clouds (% Sky Obscured)

23
19
14
31
10
22
81
75
28
17
6
0
0
0
0
2
0
2
3
3
14
24
74
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
4
19
74
91
92

ISS Passover

Visibility (miles)

9
9
9
6
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 (%)

27
14
33
37
12
7
22
23
24
16
1
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
87
91
88
87
84
85
87
88
90
90
90
85
75
67
58
53
50
50
54
61
67
72

Pressure (mb)

1026
1026
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1023
1023
1022
1022
1022
1021

Ozone (du)

292
293
296
298
297
298
297
296
295
295
294
294
288
283
284
285
284
286
288
289
288
288
287
288

Monday 19

Waxing Gibbous 61%

15:56

00:17

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

Sun - Rise: 07:34, Set: 17:56, Transit: 12:45. Moon - Rise: 15:56, Set: 00:17. Civil Dark: 18:30 - 07:00. Nautical Dark: 19:09 - 06:21. Astro Dark: 19:48 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
96
99
97
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

75
66
70
60
69
58
47
55
65
99
100
98
96
94
96
98
100
100
100
100
98
97
95
95

Medium Clouds (% Sky Obscured)

49
56
97
85
94
89
92
98
98
98
98
98
99
42
39
39
39
39
40
35
38
40
36
34

High Clouds (% Sky Obscured)

97
62
98
52
93
43
70
51
65
65
60
55
46
35
41
42
47
42
46
50
31
60
65
70

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

Precipitation Probability (%)

3
21
27
13
10
20
24
27
32
40
47
52
56
64
58
52
44
40
37
30
37
50
62
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
4
4
4
5
6
6
7
8
8
8
7
7
7
7
6
6
5
6
5
6
6
6

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
11
11
12
12
12
12
12
11
11

Feels Like (°C)

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

Dew Point (°C)

6
7
8
8
9
9
9
9
9
9
9
8
9
8
8
8
8
9
8
7
8
8
8
8

Relative Humidity (%)

76
80
87
91
95
93
95
95
95
95
91
88
88
87
84
83
81
81
80
73
75
76
77
81

Pressure (mb)

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

Ozone (du)

287
287
287
286
284
283
282
281
280
281
282
283
286
286
286
287
286
285
285
285
285
284
283
283

Tuesday 20

Waxing Gibbous 70%

16:10

01:33

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

Sun - Rise: 07:36, Set: 17:54, Transit: 12:45. Moon - Rise: 16:10, Set: 01:33. Civil Dark: 18:28 - 07:02. Nautical Dark: 19:07 - 06:23. Astro Dark: 19:46 - 05:44

Total Clouds (% Sky Obscured)

98
98
92
86
81
72
70
65
64
67
71
91
82
75
74
72
69
81
92
100
96
91
85
65

Low Clouds (% Sky Obscured)

95
95
59
78
70
70
65
55
54
55
52
66
60
53
42
25
9
39
70
100
92
84
76
52

Medium Clouds (% Sky Obscured)

36
93
88
83
80
72
70
65
64
67
71
49
29
8
16
23
30
50
69
88
86
84
81
65

High Clouds (% Sky Obscured)

75
80
80
85
80
65
55
60
50
50
45
90
78
63
57
59
65
64
62
60
55
55
45
31

ISS Passover

Visibility (miles)

9
9
9
9
9
6
9
5
5
3
9
9
9
9
9
9
9
9
8
6
4
6
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

32
12
11
30
50
55
64
95
95
75
19
17
10
3
4
8
13
39
64
88
94
89
69
48

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0.2
0.7
0.8
0.4
0
0
0
0
0
0
0
0
0.3
0.6
0.8
0.7
0.3
0

Wind Speed/Direction (mph)

6
6
5
5
5
4
3
4
4
4
7
7
7
7
7
8
9
10
9
10
13
13
14
15

Chance of Frost

Temperature (°C)

11
10
10
10
10
9
9
8
8
8
8
7
10
10
11
12
13
14
13
12
11
11
10
9

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
8
8
6
5
7
7
7
7
8
8
8
8
8
7
6
5

Relative Humidity (%)

85
88
88
90
87
90
91
96
98
98
90
85
82
78
76
71
69
66
71
76
83
78
76
74

Pressure (mb)

1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1004
1004
1005
1004
1004
1004
1004
1004
1004
1005
1006
1007

Ozone (du)

284
285
286
285
286
287
288
288
288
285
286
288
289
290
291
292
292
293
292
291
291
294
298
302

Wednesday 21

Waxing Gibbous 79%

16:22

02:49

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

Sun - Rise: 07:38, Set: 17:52, Transit: 12:45. Moon - Rise: 16:22, Set: 02:49. Civil Dark: 18:26 - 07:04. Nautical Dark: 19:05 - 06:24. Astro Dark: 19:44 - 05:46

Total Clouds (% Sky Obscured)

45
28
21
12
6
10
16
21
23
29
30
41
52
65
72
80
90
87
87
87
90
93
95
97

Low Clouds (% Sky Obscured)

28
5
3
2
1
2
3
3
3
2
2
2
2
2
19
31
40
48
68
87
90
89
85
81

Medium Clouds (% Sky Obscured)

45
28
21
12
0
5
12
17
23
29
30
41
44
46
59
69
81
81
82
83
86
90
95
95

High Clouds (% Sky Obscured)

27
27
19
12
5
3
1
0
0
0
0
16
31
50
64
77
88
70
53
37
38
44
50
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

24
1
0
0
0
1
2
1
3
4
0
1
1
0
4
16
30
87
95
95
95
95
72
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1
1.4
1.1
0.7
0.3
0.2

Wind Speed/Direction (mph)

14
12
11
10
10
9
8
7
6
6
6
6
7
8
9
11
13
16
17
18
19
19
19
18

Chance of Frost

Temperature (°C)

9
8
7
7
7
7
6
6
6
6
6
5
7
8
9
10
12
13
13
13
13
13
13
13

Feels Like (°C)

4
4
2
2
3
2
3
3
3
3
3
2
3
4
4
5
6
7
10
9
9
9
8
8

Dew Point (°C)

4
4
3
3
4
4
4
4
4
4
4
4
4
5
5
7
8
9
10
11
11
11
11
11

Relative Humidity (%)

74
74
75
77
79
82
82
85
85
86
88
91
85
81
77
77
77
79
82
84
86
86
86
86

Pressure (mb)

1008
1009
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1010
1009
1009
1008
1007
1007
1007

Ozone (du)

304
307
309
310
310
311
311
312
312
312
311
311
310
308
307
307
306
306
304
303
301
300
299
299

Thursday 22

Waxing Gibbous 87%

16:33

04:06

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:40, Set: 17:50, Transit: 12:45. Moon - Rise: 16:33, Set: 04:06. Civil Dark: 18:24 - 07:05. Nautical Dark: 19:03 - 06:26. Astro Dark: 19:42 - 05:47

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
95
89
83
83
84
84

Low Clouds (% Sky Obscured)

78
77
75
77
78
77
70
64
59
49
41
55
69
83
83
84
84

Medium Clouds (% Sky Obscured)

95
94
96
98
100
95
90
85
90
95
100
87
73
60
64
73
73

High Clouds (% Sky Obscured)

85
100
100
100
100
100
100
100
100
100
100
80
60
45
45
45
45

ISS Passover

Visibility (miles)

6
8
9
9
9
9
9
9
9
9
9
9
8
6
4
4
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

67
52
64
81
95
95
94
42
36
38
45
66
79
92
92
95
95

Precipitation Amount (mm)

0.2
0
0
0.4
1.1
0.9
0.6
0
0
0
0
0.3
0.4
0.7
0.6
0.6
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
93
93
93
95
95
95
96
91
88
86
87
88
90
91
91

Pressure (mb)

1007
1007
1006
1006
1006
1005
1005
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003

Ozone (du)

298
298
297
295
292
290
287
284
282
278
274
270
268
266
264
262
260

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 16/10/26 19:24:08. Forecast: 16/10/26 to 22/10/26. Timezone: UTC+1.00