Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 11%

02:53

17:16

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 OK
11 Good

Sun - Rise: 06:34, Set: 18:55, Transit: 12:44. Moon - Rise: 02:53, Set: 17:16. Civil Dark: 19:24 - 06:06. Nautical Dark: 19:57 - 05:32. Astro Dark: 20:32 - 04:58

Total Clouds (% Sky Obscured)

66
94
95
100
100
100
100
100
100
99
99
93
99
100
95
100
99
97
88
64
52
69
45
17

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
0
14
23
23
0
0
0
0
0
13
0
0

Medium Clouds (% Sky Obscured)

1
5
52
70
39
43
50
42
43
36
39
55
57
63
69
68
48
54
56
59
46
57
45
11

High Clouds (% Sky Obscured)

66
94
95
100
100
100
100
100
100
98
99
67
81
92
75
100
98
95
75
28
11
23
8
9

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 (%)

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

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

Chance of Frost

Temperature (°C)

19
21
22
24
24
23
21
19
18
16
15
15
14
13
13
13
13
13
13
13
15
18
20
23

Feels Like (°C)

18
18
20
22
22
22
21
19
17
16
14
14
13
13
13
13
13
13
13
13
15
20
22
25

Dew Point (°C)

3
4
5
7
8
10
12
12
12
11
11
11
11
12
12
12
12
12
12
12
13
12
11
11

Relative Humidity (%)

36
33
33
33
35
44
57
61
68
72
77
80
84
89
90
93
96
96
96
95
85
66
56
48

Pressure (mb)

1021
1020
1020
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1014

Ozone (du)

291
291
292
293
292
291
291
289
289
289
288
287
287
288
289
290
291
291
292
293
293
293
292
290

Thursday 18

Waning Crescent 5%

04:04

17:42

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

Sun - Rise: 06:35, Set: 18:53, Transit: 12:44. Moon - Rise: 04:04, Set: 17:42. Civil Dark: 19:22 - 06:07. Nautical Dark: 19:55 - 05:33. Astro Dark: 20:30 - 04:59

Total Clouds (% Sky Obscured)

63
59
27
21
1
1
3
49
60
11
3
0
0
0
19
27
18
26
30
75
84
90
56
65

Low Clouds (% Sky Obscured)

0
18
23
20
1
0
0
8
0
6
1
0
0
0
0
0
3
17
18
69
84
90
51
65

Medium Clouds (% Sky Obscured)

15
0
0
0
0
0
0
0
20
8
0
0
0
0
13
18
15
23
24
18
14
17
0
0

High Clouds (% Sky Obscured)

59
21
1
0
0
1
3
43
38
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
5
1
1
1
3
9

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
2
5
8
8
7
4
2
3
3
3
3
3
2
3
2
2
3
3
3
3
5
7
9

Chance of Frost

Temperature (°C)

25
27
28
28
27
26
24
21
18
17
15
14
14
13
13
13
13
13
13
14
17
19
19
20

Feels Like (°C)

27
27
28
26
26
27
26
22
18
16
17
16
15
15
15
15
15
15
15
16
18
18
18
20

Dew Point (°C)

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

Relative Humidity (%)

41
33
28
27
31
39
55
61
63
65
69
70
73
76
80
84
92
95
96
98
86
77
71
62

Pressure (mb)

1014
1013
1012
1012
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

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

Friday 19

Waning Crescent 1%

05:13

18:04

12 Bad
13 OK
14 OK
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
11 Good

Sun - Rise: 06:36, Set: 18:51, Transit: 12:43. Moon - Rise: 05:13, Set: 18:04. Civil Dark: 19:20 - 06:08. Nautical Dark: 19:53 - 05:34. Astro Dark: 20:28 - 05:00

Total Clouds (% Sky Obscured)

66
39
24
11
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Low Clouds (% Sky Obscured)

57
20
16
7
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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)

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

Chance of Frost

Temperature (°C)

20
20
21
22
21
20
18
15
13
12
10
9
8
8
8
7
6
6
5
4
7
10
12
14

Feels Like (°C)

18
19
20
20
19
18
18
15
13
12
10
9
9
8
8
7
6
5
4
3
7
9
11
12

Dew Point (°C)

12
11
10
8
5
5
7
7
6
6
4
4
3
2
3
3
3
2
1
-1
-2
-4
-5
-5

Relative Humidity (%)

59
54
47
41
35
37
46
58
63
67
68
69
69
68
71
74
76
76
73
68
53
39
31
26

Pressure (mb)

1015
1015
1015
1015
1015
1016
1017
1018
1019
1020
1021
1021
1022
1023
1024
1024
1025
1026
1026
1027
1027
1028
1028
1028

Ozone (du)

289
290
291
290
289
290
289
288
288
288
289
289
287
285
283
281
282
282
283
282
282
282
282
281

Saturday 20

Waning Crescent 1%

06:19

18:23

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
11 Good

Sun - Rise: 06:37, Set: 18:50, Transit: 12:43. Moon - Rise: 06:19, Set: 18:23. Civil Dark: 19:18 - 06:09. Nautical Dark: 19:51 - 05:36. Astro Dark: 20:26 - 05:02

Total Clouds (% Sky Obscured)

4
4
4
0
0
0
0
0
0
0
2
2
1
0
0
0
2
1
1
1
2
3
14
10

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
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)

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

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)

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

Chance of Frost

Temperature (°C)

16
17
19
19
19
19
16
12
10
8
7
5
5
4
3
3
3
3
4
4
6
10
14
18

Feels Like (°C)

14
16
18
18
19
17
15
12
9
7
6
5
5
4
3
3
3
3
4
5
6
10
14
16

Dew Point (°C)

-6
-5
-5
-5
-4
-3
2
1
-1
-2
-3
-3
-3
-4
-4
-4
-3
-3
-2
-1
-2
1
5
8

Relative Humidity (%)

23
21
20
19
20
23
39
45
47
49
51
54
57
59
60
62
63
65
67
67
58
54
53
52

Pressure (mb)

1027
1027
1026
1025
1025
1025
1026
1026
1027
1028
1028
1029
1029
1029
1030
1030
1029
1029
1030
1030
1030
1029
1029
1028

Ozone (du)

280
280
279
279
279
278
278
278
278
278
279
280
282
283
282
282
281
282
282
283
283
282
282
282

Sunday 21

New Moon 0%

07:24

18:41

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

Sun - Rise: 06:38, Set: 18:48, Transit: 12:43. Moon - Rise: 07:24, Set: 18:41. Civil Dark: 19:16 - 06:10. Nautical Dark: 19:50 - 05:37. Astro Dark: 20:24 - 05:03

Total Clouds (% Sky Obscured)

11
9
4
6
14
17
28
26
33
41
51
33
27
26
16
26
35
34
34
38
36
44
40
45

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
11
21
26
13
24
35
32
28
24
16
8
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
2
2
0
0
0
0
0
0
0
0
3
6
9
12

High Clouds (% Sky Obscured)

1
0
3
6
10
8
19
16
25
41
51
22
12
7
9
14
19
28
34
38
36
44
40
45

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)

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

Chance of Frost

Temperature (°C)

19
21
22
22
21
21
18
15
13
11
10
9
8
8
7
7
7
7
8
9
10
13
16
18

Feels Like (°C)

18
20
21
21
20
20
18
13
10
10
8
7
7
8
7
8
7
7
7
7
7
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

48
43
40
39
38
42
51
62
66
70
72
75
82
87
93
94
94
96
88
82
77
63
52
43

Pressure (mb)

1028
1027
1026
1025
1025
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023

Ozone (du)

282
282
282
281
281
281
281
282
282
283
283
282
283
281
280
282
283
284
283
283
282
281
281
281

Monday 22

Waxing Crescent 1%

08:28

18:58

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

Sun - Rise: 06:40, Set: 18:46, Transit: 12:42. Moon - Rise: 08:28, Set: 18:58. Civil Dark: 19:14 - 06:11. Nautical Dark: 19:48 - 05:38. Astro Dark: 20:22 - 05:04

Total Clouds (% Sky Obscured)

50
55
55
60
65
56
39
20
22
24
26
28
33
38
34
31
34
30
26
22
29
31
33
33

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
6
11
12
12
14
20
23
19
16
14

Medium Clouds (% Sky Obscured)

16
19
35
50
65
48
30
13
9
6
2
3
3
4
3
2
2
2
2
2
2
2
2
1

High Clouds (% Sky Obscured)

49
55
28
22
25
29
23
8
10
15
20
24
33
31
34
26
7
6
5
3
4
3
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
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)

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

Chance of Frost

Temperature (°C)

20
22
24
24
24
23
21
19
16
16
15
14
13
13
12
12
11
11
12
13
13
17
20
24

Feels Like (°C)

12
14
15
23
23
22
23
23
23
16
17
17
16
16
15
13
13
13
13
12
12
17
19
20

Dew Point (°C)

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

Relative Humidity (%)

42
42
42
45
49
53
62
73
89
90
93
96
96
96
96
96
98
96
95
92
90
77
66
57

Pressure (mb)

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

Ozone (du)

282
283
285
285
284
284
283
281
280
279
279
278
278
278
278
276
275
274
273
272
272
271
270
269

Tuesday 23

Waxing Crescent 4%

09:32

19:17

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

Sun - Rise: 06:41, Set: 18:44, Transit: 12:42. Moon - Rise: 09:32, Set: 19:17. Civil Dark: 19:13 - 06:12. Nautical Dark: 19:46 - 05:39. Astro Dark: 20:20 - 05:05

Total Clouds (% Sky Obscured)

28
22
43
67
93
90
86
82
80
78
77
78
79
79
84
88
93
95
98
100

Low Clouds (% Sky Obscured)

7
7
12
17
24
21
18
15
11
6
1
3
5
7
7
7
8
8
8
12

Medium Clouds (% Sky Obscured)

5
7
6
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
1
7
16
24
22
12
8
0
1
1
37
64
79
82
87
92
94
97
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

Fog (%)

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

Precipitation Probability (%)

0
0
2
2
1
2
2
1
3
3
2
19
23
24
29
31
30
31
39
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
27
29
28
29
28
25
22
19
19
18
18
17
17
17
17
16
16
17
17

Feels Like (°C)

22
24
25
33
32
31
31
30
30
20
20
20
21
20
20
18
18
18
18
17

Dew Point (°C)

15
15
15
15
16
16
16
16
16
17
17
16
16
16
16
16
15
15
16
15

Relative Humidity (%)

51
46
41
43
45
48
57
68
82
86
89
92
92
92
93
93
93
95
92
88

Pressure (mb)

1018
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

268
267
266
265
264
263
263
263
263
263
263
263
263
262
262
262
263
263
263
262

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 17/09/25 12:08:54. Forecast: 17/09/25 to 23/09/25. Timezone: UTC-4.00