Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 10

Waxing Crescent 2%

10:04

16:12

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
10 Bad

Sun - Rise: 07:13, Set: 16:17, Transit: 11:44. Moon - Rise: 10:04, Set: 16:12. Civil Dark: 16:53 - 06:37. Nautical Dark: 17:34 - 05:56. Astro Dark: 18:13 - 05:17

Total Clouds (% Sky Obscured)

87
89
91
94
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
98
99
97
97
94

Low Clouds (% Sky Obscured)

25
24
27
53
74
69
72
82
92
92
91
91
92
94
94
97
95
91
88
82
79
76
72
68

Medium Clouds (% Sky Obscured)

12
32
51
84
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
94
96
96
97
94

High Clouds (% Sky Obscured)

87
67
91
94
100
100
100
100
100
100
90
100
100
100
100
100
65
100
100
83
80
63
40
33

ISS Passover

Visibility (miles)

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

Fog (%)

4
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
1
2
11
34
59
95
95
95
95
95
95
95
93
91
87
82
77
67
52
47
35
27
26

Precipitation Amount (mm)

0
0
0
0
0
0.3
1
1.3
0.9
0.9
1
1
0.8
0.6
0.6
0.5
0.5
0.5
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
8
9
9
9
9
8
8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
7
8

Feels Like (°C)

2
3
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
4
4
4
3
3
4
4

Dew Point (°C)

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

Relative Humidity (%)

69
63
61
64
68
72
78
87
91
90
90
91
91
91
93
91
91
93
93
93
91
90
87
84

Pressure (mb)

1011
1010
1009
1008
1008
1007
1007
1006
1006
1006
1006
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005

Ozone (du)

247
247
246
247
249
250
249
247
245
247
247
248
248
247
246
246
247
245
246
245
246
246
245
244

Wednesday 11

Waxing Crescent 5%

11:01

16:50

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
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 OK
06 OK
07 OK
08 OK
09 Bad
10 Bad

Sun - Rise: 07:14, Set: 16:15, Transit: 11:44. Moon - Rise: 11:01, Set: 16:50. Civil Dark: 16:52 - 06:38. Nautical Dark: 17:33 - 05:57. Astro Dark: 18:12 - 05:17

Total Clouds (% Sky Obscured)

95
99
99
97
95
84
61
60
54
56
35
32
34
37
41
36
46
45
27
31
28
35
41
73

Low Clouds (% Sky Obscured)

64
69
73
69
56
59
57
54
46
30
6
21
34
37
41
36
46
45
27
31
28
35
40
73

Medium Clouds (% Sky Obscured)

87
76
84
87
89
54
26
31
17
10
7
5
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

34
16
8
8
5
5
4
2
3
2
0
0
0
0
0
0
0
0
0
0
0
2
3
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
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 (%)

18
9
5
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
10
10
9
8
8
7
7
7
6
6
6
6
6
6
6
7
7
8
9
9
10
11
13

Chance of Frost

Temperature (°C)

8
9
9
9
9
9
8
8
8
7
7
7
6
6
6
5
5
5
5
4
4
4
4
5

Feels Like (°C)

4
5
5
6
6
6
6
6
6
6
6
6
5
4
4
4
4
3
2
2
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

81
80
80
78
77
80
85
85
84
82
82
84
83
83
83
85
88
91
93
93
93
91
88
85

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1007

Ozone (du)

245
242
241
239
238
239
240
240
239
238
243
245
242
240
242
242
243
247
247
243
244
242
241
239

Thursday 12

Waxing Crescent 10%

11:01

17:39

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

Sun - Rise: 07:16, Set: 16:15, Transit: 11:44. Moon - Rise: 11:01, Set: 17:39. Civil Dark: 16:51 - 06:39. Nautical Dark: 17:32 - 05:58. Astro Dark: 18:11 - 05:19

Total Clouds (% Sky Obscured)

76
36
30
42
46
21
2
3
3
3
3
3
2
0
0
0
0
0
0
0
0
1
0
0

Low Clouds (% Sky Obscured)

76
36
30
42
46
21
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
0
0

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
0

High Clouds (% Sky Obscured)

2
2
0
0
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
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
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)

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

Chance of Frost

Temperature (°C)

6
6
7
7
7
6
5
4
3
3
2
2
2
2
2
1
1
1
1
1
1
1
2
3

Feels Like (°C)

1
1
3
3
3
2
1
1
-0
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
1

Dew Point (°C)

2
0
0
1
2
1
1
0
-1
-1
-1
-1
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-4
-4

Relative Humidity (%)

74
65
61
66
70
72
76
76
76
76
77
79
77
77
77
77
77
77
78
77
78
76
68
62

Pressure (mb)

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

Ozone (du)

239
239
241
242
240
242
246
247
248
248
251
254
257
260
262
262
262
262
263
264
265
267
271
275

Friday 13

Waxing Crescent 17%

11:45

18:40

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

Sun - Rise: 07:18, Set: 16:13, Transit: 11:45. Moon - Rise: 11:45, Set: 18:40. Civil Dark: 16:50 - 06:41. Nautical Dark: 17:31 - 06:00. Astro Dark: 18:10 - 05:20

Total Clouds (% Sky Obscured)

1
0
0
0
0
0
0
7
2
3
3
3
3
4
3
2
2
2
2
11
13
8
4
12

Low 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
2

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
0

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
4
2
2
2
2
1
3
2
2
2
2
2
11
13
8
2
12

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 (%)

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

Chance of Frost

Temperature (°C)

4
5
6
6
6
4
3
3
2
2
1
1
1
1
0
0
0
0
0
0
0
1
1
3

Feels Like (°C)

2
3
4
4
4
3
2
1
0
1
0
-0
0
-0
-1
-1
-1
-1
-1
-1
-3
-2
-0
1

Dew Point (°C)

-4
-3
-3
-3
-2
-2
-3
-3
-4
-4
-4
-5
-5
-5
-5
-6
-6
-6
-5
-5
-5
-5
-6
-6

Relative Humidity (%)

57
55
53
52
58
62
64
65
66
66
66
65
66
66
66
66
65
66
66
66
66
65
60
54

Pressure (mb)

1019
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

277
279
281
281
281
282
284
284
282
281
280
280
277
275
273
270
268
268
268
268
267
264
264
265

Saturday 14

Waxing Crescent 25%

12:18

19:48

11 OK
12 OK
13 OK
14 OK
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
10 Bad

Sun - Rise: 07:20, Set: 16:12, Transit: 11:45. Moon - Rise: 12:18, Set: 19:48. Civil Dark: 16:49 - 06:42. Nautical Dark: 17:30 - 06:01. Astro Dark: 18:09 - 05:22

Total Clouds (% Sky Obscured)

30
26
38
42
49
56
58
67
63
66
77
84
93
91
90
86
86
85
85
85
86
86
90
95

Low Clouds (% Sky Obscured)

0
2
7
11
15
18
24
16
8
0
0
0
0
8
17
26
30
37
43
44
39
32
44
62

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
6
61
80
54
39
28
32
27
23
18
14
10
29
45

High Clouds (% Sky Obscured)

30
23
38
42
49
54
44
63
58
66
77
84
93
83
72
50
52
55
62
59
53
51
42
32

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
11
14
5
4
1
0
2
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)

4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
3
4
2
1
1
0
0
-0
0
-0
-1
-1
-0
-0
-1
-1
0
1
0
0
1

Dew Point (°C)

-5
-3
-2
0
2
2
2
2
2
2
1
2
1
1
1
1
0
0
1
1
2
2
2
3

Relative Humidity (%)

53
57
59
64
71
79
85
86
88
88
88
89
88
86
86
86
86
86
88
88
88
85
83
85

Pressure (mb)

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

Ozone (du)

264
264
265
265
265
266
266
266
267
268
268
269
270
271
271
271
271
272
272
273
274
275
277
275

Sunday 15

Waxing Crescent 33%

12:42

21:01

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
10 Bad

Sun - Rise: 07:21, Set: 16:10, Transit: 11:45. Moon - Rise: 12:42, Set: 21:01. Civil Dark: 16:47 - 06:44. Nautical Dark: 17:28 - 06:03. Astro Dark: 18:08 - 05:23

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
91
95
100
99
98
95
87
84
79
82
85
90
86
83
80
78
81
84
86
85
83
86
90

Medium Clouds (% Sky Obscured)

69
68
64
56
58
62
65
62
56
54
64
74
83
86
92
98
94
90
86
91
95
100
93
87

High Clouds (% Sky Obscured)

21
37
55
81
88
87
77
75
80
100
100
100
100
100
99
99
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
8
7
8
9
9
9
9
9
9
9
8
7
6
5
5
5
6
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

1
17
27
33
44
49
51
45
43
47
52
61
83
84
86
89
74
59
58
72
81
85
78
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.5
0.5
0.7
0.4
0.2
0.3
0.4
0.5
0.5
0.4
0.3

Wind Speed/Direction (mph)

5
5
5
5
5
4
5
6
8
10
12
13
14
16
16
17
17
17
17
18
18
19
19
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
5
5
5
5
6
6
8
8
8
7
8
8
8
7
7
6
6
6
7
6
5
5

Dew Point (°C)

4
5
6
7
7
8
8
8
9
9
9
9
9
10
10
11
11
11
11
10
10
10
10
10

Relative Humidity (%)

86
88
91
94
98
98
98
98
98
98
98
98
98
98
96
96
96
95
95
93
93
93
93
90

Pressure (mb)

1006
1005
1004
1003
1002
1002
1001
1001
1000
999
998
997
996
994
993
992
990
989
988
988
987
987
986
986

Ozone (du)

274
272
276
280
283
283
284
284
286
287
289
289
288
288
288
289
289
291
292
293
294
295
296
298

Monday 16

Waxing Crescent 43%

13:00

22:14

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 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:23, Set: 16:09, Transit: 11:45. Moon - Rise: 13:00, Set: 22:14. Civil Dark: 16:46 - 06:46. Nautical Dark: 17:27 - 06:04. Astro Dark: 18:07 - 05:25

Total Clouds (% Sky Obscured)

100
89
78
67
64
63
63
60
56
54
42
37
31
50
64
80
73
69
60

Low Clouds (% Sky Obscured)

95
76
57
37
41
46
51
48
34
19
16
18
14
15
15
15
20
29
34

Medium Clouds (% Sky Obscured)

82
55
27
2
1
0
0
3
7
10
31
37
31
50
64
67
67
69
60

High Clouds (% Sky Obscured)

100
81
64
53
43
29
16
33
50
54
42
37
31
44
30
18
14
9
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
4
7

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

62
56
41
8
7
5
1
7
7
2
8
13
18
25
43
74
95
95
95

Precipitation Amount (mm)

0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1
1.2
1.2

Wind Speed/Direction (mph)

17
18
17
16
16
15
15
15
14
13
12
10
9
7
6
7
8
9
11

Chance of Frost

Temperature (°C)

12
12
12
12
11
11
10
9
9
8
8
7
7
6
6
5
5
5
5

Feels Like (°C)

5
4
7
7
7
6
7
6
4
2
2
1
1
0
-1
-1
-1
-2
-3

Dew Point (°C)

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

Relative Humidity (%)

87
84
83
79
76
76
78
80
81
81
82
81
79
79
82
88
93
88
86

Pressure (mb)

986
986
986
987
988
989
990
990
991
992
992
992
992
992
991
990
988
987
985

Ozone (du)

300
301
305
310
314
314
315
315
313
312
310
305
301
296
292
287
283
282
281

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

Generated: 10/11/26 11:47:36. Forecast: 10/11/26 to 16/11/26. Timezone: UTC+0.00