Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 18%

03:17

17:49

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

Sun - Rise: 07:01, Set: 19:23, Transit: 13:12. Moon - Rise: 03:17, Set: 17:49. Civil Dark: 19:52 - 06:32. Nautical Dark: 20:27 - 05:57. Astro Dark: 21:03 - 05:22

Total Clouds (% Sky Obscured)

0
0
18
15
20
32
43
42
38
32
0
0
0
0
0
4
26
34
32
32
50
51
50
45

Low Clouds (% Sky Obscured)

0
0
0
0
11
24
28
27
27
28
0
0
0
0
0
0
23
34
32
32
50
51
50
45

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
18

High Clouds (% Sky Obscured)

0
0
18
15
20
32
43
42
38
32
0
0
0
0
0
4
9
4
3
0
0
1
1
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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
78
100
100
2

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
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)

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

Chance of Frost

Temperature (°C)

16
19
22
24
25
26
26
26
26
24
21
18
17
16
16
15
14
13
13
13
13
13
13
14

Feels Like (°C)

16
20
22
23
24
25
25
25
25
24
21
19
19
18
17
17
15
15
15
14
14
15
14
17

Dew Point (°C)

9
9
9
9
9
8
8
8
9
11
13
11
11
10
10
10
9
8
8
8
9
9
10
11

Relative Humidity (%)

63
53
44
39
36
33
32
31
34
43
58
62
66
67
69
69
70
71
71
72
75
76
79
78

Pressure (mb)

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

Ozone (du)

278
277
277
276
277
276
276
276
277
277
277
277
276
274
275
277
279
278
278
278
279
280
280
280

Thursday 18

Waning Crescent 10%

04:30

18:14

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
00 Bad
01 OK
02 OK
03 OK
04 OK
05 Good
06 Good
07 OK
08 Good

Sun - Rise: 07:02, Set: 19:21, Transit: 13:11. Moon - Rise: 04:30, Set: 18:14. Civil Dark: 19:51 - 06:33. Nautical Dark: 20:25 - 05:59. Astro Dark: 21:01 - 05:23

Total Clouds (% Sky Obscured)

42
57
76
55
51
53
47
78
91
78
86
89
94
90
88
80
33
32
21
18
3
4
9
13

Low Clouds (% Sky Obscured)

42
57
76
49
31
49
42
78
81
58
69
63
47
67
77
68
33
32
21
18
0
0
8
13

Medium Clouds (% Sky Obscured)

16
16
0
1
17
0
0
0
7
6
33
40
44
33
3
21
33
32
11
2
0
0
0
0

High Clouds (% Sky Obscured)

4
8
12
0
4
4
4
3
0
0
0
0
0
0
0
0
0
0
0
0
3
4
4
3

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
22
3
2
5
6
9
1
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)

2
4
6
7
7
7
9
8
9
8
8
8
7
7
7
7
6
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

17
19
21
23
24
24
24
23
23
21
20
18
17
16
15
15
14
13
12
12
11
10
9
9

Feels Like (°C)

18
20
22
23
24
25
24
23
22
20
19
17
16
15
14
13
12
13
13
12
11
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

66
59
59
58
58
57
58
61
66
74
77
81
79
79
79
78
80
93
98
96
95
91
91
82

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1021
1022

Ozone (du)

281
281
281
282
283
283
283
285
287
287
287
286
285
285
284
282
281
280
280
280
279
277
279
282

Friday 19

Waning Crescent 5%

05:40

18:34

09 Good
10 Good
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

Sun - Rise: 07:04, Set: 19:19, Transit: 13:11. Moon - Rise: 05:40, Set: 18:34. Civil Dark: 19:49 - 06:34. Nautical Dark: 20:23 - 06:00. Astro Dark: 20:59 - 05:25

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
11
12
14
15
16
16
16
15
14
12
10
9
9
8
7
6
6
6
5
4
5
5

Dew Point (°C)

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

Relative Humidity (%)

65
50
39
31
27
24
22
22
23
28
39
45
48
50
51
55
59
62
63
64
64
64
64
59

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1022
1023
1024
1024
1025
1026
1026
1026
1027
1027
1028
1028
1028
1029

Ozone (du)

282
281
280
281
280
278
278
279
280
280
281
281
281
280
280
280
279
277
276
275
276
277
278
279

Saturday 20

Waning Crescent 1%

06:48

18:52

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

Sun - Rise: 07:05, Set: 19:17, Transit: 13:11. Moon - Rise: 06:48, Set: 18:52. Civil Dark: 19:47 - 06:36. Nautical Dark: 20:21 - 06:01. Astro Dark: 20:56 - 05:26

Total Clouds (% Sky Obscured)

3
4
6
8
10
11
10
9
19
29
38
32
26
21
26
16
6
4
4
4
4
4
6
22

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
7
14
21
13
6
0
0
0
0
0
0
0
0
0
1
9

High Clouds (% Sky Obscured)

3
4
6
8
10
11
10
9
13
17
20
19
19
20
26
16
5
3
2
1
2
2
2
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
9
12
13
15
16
16
17
16
16
13
11
10
8
8
6
6
6
5
5
5
5
5
6

Dew Point (°C)

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

Relative Humidity (%)

45
36
30
26
22
19
18
18
19
29
38
39
41
44
49
52
53
50
47
47
46
45
44
44

Pressure (mb)

1029
1029
1029
1028
1027
1027
1026
1025
1025
1025
1025
1025
1025
1026
1026
1025
1025
1025
1025
1024
1024
1024
1023
1023

Ozone (du)

278
276
275
276
276
278
279
280
282
280
279
279
279
278
277
277
278
278
278
279
278
280
281
279

Sunday 21

New Moon 0%

07:54

19:08

09 OK
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
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

Sun - Rise: 07:06, Set: 19:16, Transit: 13:10. Moon - Rise: 07:54, Set: 19:08. Civil Dark: 19:45 - 06:37. Nautical Dark: 20:19 - 06:03. Astro Dark: 20:54 - 05:27

Total Clouds (% Sky Obscured)

37
51
48
48
46
40
29
21
36
43
53
62
73
79
80
85
89
93
96
99
99
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
4
7
9
16
25
35
47
59
71
75

Medium Clouds (% Sky Obscured)

16
20
13
9
2
8
10
16
16
14
16
24
30
34
31
35
31
37
40
42
58
74
90
92

High Clouds (% Sky Obscured)

37
51
48
48
46
40
26
7
18
28
39
52
68
79
80
85
89
93
96
99
99
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
1
3
2
12
30
40
48
50
43
59
69
78
71
62
47
46
51
44
65

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
9
9
9
9
10
9
10
9
9
8
8
8
8
7
6
5
5
6
6
6
6
6

Chance of Frost

Temperature (°C)

11
15
18
20
22
24
25
25
25
24
22
21
20
19
18
18
18
18
18
18
18
18
18
18

Feels Like (°C)

9
12
16
19
21
23
24
24
25
24
23
21
21
21
21
20
20
19
17
18
17
17
18
18

Dew Point (°C)

-2
1
4
6
8
10
10
11
12
13
14
15
15
15
15
16
17
18
18
18
17
18
18
17

Relative Humidity (%)

41
39
39
40
40
39
38
40
42
49
60
68
72
77
82
88
92
96
96
96
96
98
98
96

Pressure (mb)

1022
1022
1021
1020
1019
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

279
278
278
277
277
277
276
276
276
275
275
276
276
276
277
276
276
275
276
276
277
278
278
279

Monday 22

Waxing Crescent 1%

08:59

19:24

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:07, Set: 19:14, Transit: 13:10. Moon - Rise: 08:59, Set: 19:24. Civil Dark: 19:43 - 06:38. Nautical Dark: 20:17 - 06:04. Astro Dark: 20:52 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
98
96
93
81
70
58
61
60
62
66
66
67
50
50
47
50

Low Clouds (% Sky Obscured)

80
83
82
81
80
82
84
87
71
55
43
42
39
35
36
40
40
43
49
55
50
50
47
50

Medium Clouds (% Sky Obscured)

93
92
91
93
96
91
86
83
61
41
26
19
10
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

100
100
100
100
99
98
98
98
92
86
80
54
25
0
0
0
0
0
0
0
0
1
1
22

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

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

Precipitation Probability (%)

80
95
95
95
89
86
83
79
69
55
26
25
21
12
12
11
6
14
13
1
4
6
1
9

Precipitation Amount (mm)

0.4
0.7
0.6
0.6
0.4
0.4
0.4
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
19
18
19
20
19
19
19
20
21
18
19
19
19
19
19
18
18
18
17
17
17

Dew Point (°C)

17
18
18
18
18
18
18
18
18
18
18
18
17
17
17
16
16
16
16
16
16
16
16
16

Relative Humidity (%)

95
95
93
92
88
86
88
88
88
91
93
98
96
96
96
96
98
98
98
98
98
96
96
96

Pressure (mb)

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

Ozone (du)

279
280
281
283
284
286
286
286
286
286
286
287
285
284
283
284
285
285
285
285
284
284
283
282

Tuesday 23

Waxing Crescent 4%

08:59

19:42

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
00 Bad
01 Bad

Sun - Rise: 07:08, Set: 19:12, Transit: 13:10. Moon - Rise: 08:59, Set: 19:42. Civil Dark: 19:41 - 06:39. Nautical Dark: 20:15 - 06:05. Astro Dark: 20:50 - 05:30

Total Clouds (% Sky Obscured)

65
80
79
85
89
95
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

43
33
41
52
66
66
69
74
74
74
74
75
77
78
77
76
75

Medium Clouds (% Sky Obscured)

3
6
27
52
75
75
76
76
78
80
84
75
56
37
39
40
42

High Clouds (% Sky Obscured)

56
80
79
80
65
73
83
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

16
23
46
70
95
95
95
95
95
95
95
95
95
95
95
95
88

Precipitation Amount (mm)

0
0
0
0.3
0.6
1.3
1.9
2.6
2.3
2.4
2.8
2.7
2.3
2
1.2
0.7
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
21
21
21
20
20
20
20
19
19
19
19
18
18
18
18

Feels Like (°C)

18
19
19
20
22
23
20
20
19
19
19
19
19
19
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

89
84
79
85
91
96
98
98
96
96
96
98
96
98
98
98
98

Pressure (mb)

1012
1012
1012
1012
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

281
279
277
277
277
276
277
277
278
279
281
282
283
285
286
286
287

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 17/09/25 08:54:28. Forecast: 17/09/25 to 23/09/25. Timezone: UTC-4.00